Answer: Choice [D] - "power of a power" ✅
Step-by-step explanation:
Hii, do you need to know which law you should use to simplify
?
No problem!
The law we will use here is "power of a power".
What "power of powers" means is we raise a power to a power, which is exactly what we do here: We raise x^4 to the power of 9. To simplify our expression, we multiply the powers. (
)
So the right answer is: Choice [D] - "Power of a power"
The simplified answer is 
Voila! There's our answer, cheers!
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Hope that this helped! Best wishes.

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Answer:
64
Step-by-step explanation:
Answer:
-2(2x-1)
Step-by-step explanation:
x+4-5x-2
1) collect like like terms
-4x+2
2) factor out the -2
-2(2x-1)
3) that gives you the final answer of
-2(2x-1)
1 inch = 13.5 feet
5 inches = 5 * 13.5 = 67.5 feet