PLEASE HELP!!!!!! evaluate the expression: 8-4xy^3 x=3 and y= -2 answer is either: 224 or 104

asked Feb 10, 2018 34.5k views

1 vote

PLEASE HELP!!!!!!

evaluate the expression: 8-4xy^3 x=3 and y= -2

answer is either:

224
or
104

by Krema

8.4k points

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6 votes

8 - 4xy^3....x = 3 and y = -2

8 - 4(3)(-2^3) =
8 - 4(3)(-8)
8 - (-96)
104

Ptikobj answered Feb 11, 2018

8.7k points

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5 votes

The answer is 104
8-4*3*-2^3
exponents first
8-4*3*-8
multiplication left to right
8-12*-8
8+96
now add
104 is the answer

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