Module 7: Lesson 5
Self-Check 1
Questions 1.a., 2.b., 3.a., 4.b., 6.b, 6.c., 8.b., and 14 on pages 446 and 447
log
5
(8 • 6) = log
5
8 + log
5
6
log
b
s
+ log
b
r
= log
b
(
s
×
r
)
log 125 = log 5 + log 25
log 125 = log 250 − log 2
Wayne’s solution is incorrect because log
3
27 − log
3
9 does not become
It becomes
Therefore, the solution is
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