Given the expression 
Take a logarithm
from both side of the given expression:

From the property
you have that

Then

Answer: correct choice is C
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Question
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Multiply the constant: 12 x (-5/6)
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Multiply the x (we add the power together when we multiply)
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Answer: -10x⁷y²---------------------------------------------------------------------------------------
Answer:
The answer is _____
Step-by-step explanation:
I will not tell you the answer but you can divide, multiply, and add.
20 - 13.76 = 6.24
The change after spending $13.76 would be $6.24.