# Appendix A - Questions for Appendix A - Logarithms - Page A.17: 22a

$-.1351$

#### Work Step by Step

To solve this problem, perform the mathematical steps indicated by plugging them into a calculator. Once you obtain this answer, decide the number of significant digits. The number of significant digits is given by the fewest number of significant digits of any of the numbers used. Thus: $-.1351$

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