Basic Log Questions

Here are some questions to go with the post on what logarithms mean. Answers and explanations are down at the bottom.

Solve for x in each question:

1)   x = log39

2)   x = log216

3)   x = log7373

4)   x = log9001

5)   x = log164

Answers below, scroll down…
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1)   x = log39
     x = 2
     because 32 = 9

2)   x = log216
     x = 4
     because 24 = 16

3)   x = log7373
     x = 1
     because 731 = 73

4)   x = log9001
     x = 0
     because 9000 = 1

5)   x = log164
     x = 1/2
     because 16(1/2) = 4