Evaluate 10x^2y^-2 for x=-1 and y= -2 a= 40 b=2 1/2 c= 5/8 d= 10(2)^0

asked May 16, 2018 182k views

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Evaluate 10x^2y^-2 for x=-1 and y= -2
a= 40
b=2 1/2
c= 5/8
d= 10(2)^0

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2 votes

10(-1)^2(-2)^-2
10(-1)^2 = 10
(-2)^-2 = .25
10 x .25 = 2.5
The answer is b

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4 votes

10(-1)^2(-2)^2
10(1)(4)
It's 40

Lucapette answered May 23, 2018

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