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I need help understanding how to get the answer.

I need help understanding how to get the answer.-example-1

1 Answer

7 votes

Answer:

-157.87

Explanation:

1) the rules are:


log_a(bc)=log_ab+log_ac;

and


log_ab^c=c*log_ab.

2) according to the rules above:


log_7(yz^8)=log_7y+8log_7z=-6.19-8*18.96=-157.87.

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