Hello! For question #8 on page 111 in the Exponents and Exponential Functions section, where did the 2^2 come from? The answer was 82.41*2^2= 329.6. Thank you ^_^.

That’s meant to represent a doubling, and then another doubling, of the frequency. I also could have written 82.41\times 2\times 2.

Does that help?

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