CPM Homework Help : A2C Problem 7-139

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Home > A2C > Chapter 7 > Lesson 7.2.4 > Problem 7-139

7-139.

Solve for $x$ without using a calculator.

$x=\log_{25}(5)$
Hint (a):
Rewrite the expression in exponential form.

$\log_x(1)=0$
Hint (b):
Logarithms must have positive bases.

$23=\log_{10}(x)$
Hint (c):
See part (a).

Compute without a calculator

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