turn in your quiz!!! complete the following:. section 11-5: common logarithms the questions are…...
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Turn in your Quiz!!!Complete the following:
Section 11-5: Common Logarithms
The questions are… What is a common log? How do I evaluate common logs? What is an antilog? How do I evaluate logs in bases other
than 10 and e? So what are these logs good for and
how do I use them?
What is a common log?
How do I evaluate common logs?
3log5 2
219log
6
What is an antilog? Just another name for an
exponential function with a base of 10.
0.0600
2.3
antilog 0.0600 10
antilog 2.3 10
How do I evaluate logs in bases other than 10 and e?
3log 27
3log 13
Change of base formula
loglog
loga
nn
a
Try this…
0.5log 0.0675
So what are these logs good for and how do I use them?
45 73x
Let’s try some from p 731
Solving by graphing29 2 8x x
Homework:
P 730 #19 – 51 odd, 52, 53, 57, 61 and 63
TEST!!! Friday
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