For this case we must resolve the following expression:
We have to:

The base change rule can be used if a and b are greater than 1 and are not equal to x.
We substitute the values in the base change formula, using 

Answer:
-4
Option A
A number is :

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Three quarters of it means :

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Decrease by 20 means :

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Equals to 82 means :

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What is that number ?
x asked so we must solve the above equation for x.
Let's do it....

Plus sides 20


Multiply sides by 4

Divided sides by 3


Simplify


So that number is 136 .
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And we're done.
Thanks for watching buddy good luck.
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Answer:
unknown
Step-by-step explanation:
I am sorry but part of your question is missing
Answer:
9m⁸
Step-by-step explanation:
3^2=9
(m⁴)² = m⁸
9*m⁸