multiplying & dividing scientific notation hw · multiplying & dividing numbers in...

Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 10 5 ) (1.9 x 10 2 ) 2) (5.3 x 10 4 ) (9 x 10 2 ) 3) (3.7 x 10 -2 ) (1.2 x 10 3 ) 4) (3.3 x 10 3 ) (2.1 x 10 -5 ) 5) !.!" ! !" ! !.! ! !" ! 6) !.!" ! !" ! !.! ! !" ! 7) !.!" ! !" !! !.! ! !" ! 8) !.!" ! !" !! !.! ! !" !! 9) In 2005, 8.1 x 10 10 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 10 11 . About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form. Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 10 5 ) (1.9 x 10 2 ) 2) (5.3 x 10 4 ) (9 x 10 2 ) 3) (3.7 x 10 -2 ) (1.2 x 10 3 ) 4) (3.3 x 10 3 ) (2.1 x 10 -5 ) 5) !.!" ! !" ! !.! ! !" ! 6) !.!" ! !" ! !.! ! !" ! 7) !.!" ! !" !! !.! ! !" ! 8) !.!" ! !" !! !.! ! !" !! 9) In 2005, 8.1 x 10 10 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 10 11 . About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form. Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 10 5 ) (1.9 x 10 2 ) 2) (5.3 x 10 4 ) (9 x 10 2 ) 3) (3.7 x 10 -2 ) (1.2 x 10 3 ) 4) (3.3 x 10 3 ) (2.1 x 10 -5 ) 5) !.!" ! !" ! !.! ! !" ! 6) !.!" ! !" ! !.! ! !" ! 7) !.!" ! !" !! !.! ! !" ! 8) !.!" ! !" !! !.! ! !" !! 9) In 2005, 8.1 x 10 10 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 10 11 . About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form. Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 10 5 ) (1.9 x 10 2 ) 2) (5.3 x 10 4 ) (9 x 10 2 ) 3) (3.7 x 10 -2 ) (1.2 x 10 3 ) 4) (3.3 x 10 3 ) (2.1 x 10 -5 ) 5) !.!" ! !" ! !.! ! !" ! 6) !.!" ! !" ! !.! ! !" ! 7) !.!" ! !" !! !.! ! !" ! 8) !.!" ! !" !! !.! ! !" !! 9) In 2005, 8.1 x 10 10 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 10 11 . About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form. Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 10 5 ) (1.9 x 10 2 ) 2) (5.3 x 10 4 ) (9 x 10 2 ) 3) (3.7 x 10 -2 ) (1.2 x 10 3 ) 4) (3.3 x 10 3 ) (2.1 x 10 -5 ) 5) !.!" ! !" ! !.! ! !" ! 6) !.!" ! !" ! !.! ! !" ! 7) !.!" ! !" !! !.! ! !" ! 8) !.!" ! !" !! !.! ! !" !! 9) In 2005, 8.1 x 10 10 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 10 11 . About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form. Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 10 5 ) (1.9 x 10 2 ) 2) (5.3 x 10 4 ) (9 x 10 2 ) 3) (3.7 x 10 -2 ) (1.2 x 10 3 ) 4) (3.3 x 10 3 ) (2.1 x 10 -5 ) 5) !.!" ! !" ! !.! ! !" ! 6) !.!" ! !" ! !.! ! !" ! 7) !.!" ! !" !! !.! ! !" ! 8) !.!" ! !" !! !.! ! !" !! 9) In 2005, 8.1 x 10 10 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 10 11 . About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form.

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Page 1: Multiplying & Dividing Scientific Notation Hw · Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation

Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 105) (1.9 x 102)

2) (5.3 x 104) (9 x 102)

3) (3.7 x 10-2) (1.2 x 103)

4) (3.3 x 103) (2.1 x 10-5)

5) !.!" ! !"!

!.! ! !"!

6) !.!" ! !"!

!.! ! !"!

7) !.!" ! !"!!

!.! ! !"!

8) !.!" ! !"!!

!.! ! !"!!

9) In 2005, 8.1 x 1010 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 1011.

About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form.

Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 105) (1.9 x 102)

2) (5.3 x 104) (9 x 102)

3) (3.7 x 10-2) (1.2 x 103)

4) (3.3 x 103) (2.1 x 10-5)

5) !.!" ! !"!

!.! ! !"!

6) !.!" ! !"!

!.! ! !"!

7) !.!" ! !"!!

!.! ! !"!

8) !.!" ! !"!!

!.! ! !"!!

9) In 2005, 8.1 x 1010 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 1011.

About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form.

Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 105) (1.9 x 102)

2) (5.3 x 104) (9 x 102)

3) (3.7 x 10-2) (1.2 x 103)

4) (3.3 x 103) (2.1 x 10-5)

5) !.!" ! !"!

!.! ! !"!

6) !.!" ! !"!

!.! ! !"!

7) !.!" ! !"!!

!.! ! !"!

8) !.!" ! !"!!

!.! ! !"!!

9) In 2005, 8.1 x 1010 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 1011.

About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form.

Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 105) (1.9 x 102)

2) (5.3 x 104) (9 x 102)

3) (3.7 x 10-2) (1.2 x 103)

4) (3.3 x 103) (2.1 x 10-5)

5) !.!" ! !"!

!.! ! !"!

6) !.!" ! !"!

!.! ! !"!

7) !.!" ! !"!!

!.! ! !"!

8) !.!" ! !"!!

!.! ! !"!!

9) In 2005, 8.1 x 1010 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 1011.

About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form.

Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 105) (1.9 x 102)

2) (5.3 x 104) (9 x 102)

3) (3.7 x 10-2) (1.2 x 103)

4) (3.3 x 103) (2.1 x 10-5)

5) !.!" ! !"!

!.! ! !"!

6) !.!" ! !"!

!.! ! !"!

7) !.!" ! !"!!

!.! ! !"!

8) !.!" ! !"!!

!.! ! !"!!

9) In 2005, 8.1 x 1010 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 1011.

About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form.

Multiplying & Dividing Numbers in Scientific Notation Evaluate each expression. Express the final answer in proper scientific notation. 1) (2.6 x 105) (1.9 x 102)

2) (5.3 x 104) (9 x 102)

3) (3.7 x 10-2) (1.2 x 103)

4) (3.3 x 103) (2.1 x 10-5)

5) !.!" ! !"!

!.! ! !"!

6) !.!" ! !"!

!.! ! !"!

7) !.!" ! !"!!

!.! ! !"!

8) !.!" ! !"!!

!.! ! !"!!

9) In 2005, 8.1 x 1010 text messages were sent in the United States. By 2007, the number of annual text messages had risen to 3.63 x 1011.

About how many times as great was the number of text messages in 2007 than 2005? Round the quotient to the nearest hundredth and express your answer in proper scientific notation form.

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