ANSWER:
ANSWER:
7-3 Logarithms and Logarithmic Functions
Evaluate each expression.
20.
25.
SOLUTION:
SOLUTION:
ANSWER:
ANSWER:
8
21. 2
= 256
−2
SOLUTION:
26.
ANSWER:
SOLUTION:
log
256 = 8
2
6
22. 4
= 4096
SOLUTION:
ANSWER:
−3
ANSWER:
log
4096 = 6
4
27. log
512
8
SOLUTION:
23.
SOLUTION:
ANSWER:
3
ANSWER:
28. log
216
6
SOLUTION:
24.
SOLUTION:
ANSWER:
3
29. log
3
ANSWER:
27
SOLUTION:
Let y be the unknown value.
Evaluate each expression.
25.
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SOLUTION: