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const2013 [10]
2 years ago
5

I need help understanding how to get the answer.

Mathematics
1 answer:
const2013 [10]2 years ago
5 0

Answer:

-157.87

Step-by-step 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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