Find the indicated values if the given changes are made in the indicated examples of this section.

Question:

Find the indicated values if the given changes are made in the indicated examples of this section.

In Example 2, change the sign in the exponent from − to + and then solve the equation.


Data from Example 2

Solve the equation 3x−2 = 5.

Taking logarithms of each side and equating them, we have

This solution means that 33.465−2 = 31.465 = 5 which can be checked by a calculator.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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