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OpenStudy (anonymous):
check my answer plz Multiply the expressions, and simplify. (7x^-1y^3)-(-10xy^-5) A. -70x^-2y^8 B. -70(xy)^-2 C.-7y^-2 D. -70y^-2
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OpenStudy (anonymous):
D
OpenStudy (anonymous):
can you check this (7x^-1y^3) it seems something is missing as a power of 7x
OpenStudy (anonymous):
k
OpenStudy (anonymous):
everthing right
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