Evaluate the expression 10x^-2y^-1 if x= -2, y = 1

10x^-2y^-1.

Plug -2 in for x and 1 in for y.

10(-2)^-2(1)^-1 = 0.25 or 1/4

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step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: