Intermediate Algebra Unit 9: Logarithms Worksheet - Tangient Llc Page 5
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25Intermediate Algebra
Unit 9: Logarithms
Practice Examples:
(1) FILL IN THE BLANK: A logarithm is an
.
3
(2) Given 10
= 1000, rewrite in logarithmic form: log __ 1000 = _____
Write the following equation in exponential form and logarithmic form respectively:
1
−
=
=
2
4
2
3
81
(4)
(3)
4
1
=
=
−
log
125
3
log
3
(5)
(6)
5
4
64
Use a calculator and the change of base formula to evaluate each of the following:
log
27
log
8
(8)
(7)
3
2
1
log
625
log
(9)
(10)
5
3
9
4
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