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Laws of Logarithm
Subject: mathematics
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Unit 9: Laws of Logarithms • Grade 11
Copyright © 2019 Quipper Limited
20
Worksheet III
A. Expand the following logarithmic expressions using the laws of logarithms. Simplify if
possible. (6 points)
1.
log
(
1000𝑥(𝑦*
)
2.
log(
,
*-./0
12
3
3.
log4
,
./01/
56
√
8
3
!
!
!
!
B. Express the following as single logarithms. (6 points)
1.
2log𝑥 + 5log𝑦 − 3log𝑧
2.
3log𝑎 + 2log𝑏 − 4log𝑐 − 5log𝑑
3.
3log𝑥 + 5
*log𝑦 − 2log𝑧