# Chapter 7 - Exponents and Exponential Functions - 7-1 Zero and Negative Exponents - Practice and Problem-Solving Exercises - Page 418: 45

At m=-4, the value is 100. The value of 100 indicates that 4 months before, the number of visitors on the website were 100 as opposed to 8100 after 4 months.

#### Work Step by Step

n(m)= 8100$\times$$3^{m} n(-4)= 8100\times$$3^{-4}$ = $\frac{8100}{3^{4}}$ = $\frac{8100}{81}$ = 100

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