[Math Revolution GMAT math practice question]
If a=2, b=-2, and c=3, what is the value of a^4b^-3c^0?
A. -2
B. -1
C. 0
D. 2
E. 3
If a=2, b=-2, and c=3, what is the value of a^4b^-3c^0?
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- Max@Math Revolution
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- Max@Math Revolution
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=>
a^4b^{-3}c^0
= 2^4*(-2)^{-3}*3^0
= -(2^4*2^{-3}*1)
= -2
Therefore, the answer is A.
Answer: A
a^4b^{-3}c^0
= 2^4*(-2)^{-3}*3^0
= -(2^4*2^{-3}*1)
= -2
Therefore, the answer is A.
Answer: A
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We substitute the values of a, b and c into the expression and simplify:Max@Math Revolution wrote:[Math Revolution GMAT math practice question]
If a=2, b=-2, and c=3, what is the value of a^4b^-3c^0?
A. -2
B. -1
C. 0
D. 2
E. 3
2^4 * (-2)^(-3) * 3^0
16 * 1/(-8) * 1
-2
Answer: A
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