SuperGirl31
SuperGirl31
12-06-2017
Mathematics
contestada
help me please help me please
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tonb
tonb
12-06-2017
Dividing means you subtract the exponents. Dividing by a number is the same as changing the sign on the exponent.
x⁰/x² = x⁻² = 1/x²
y⁻³/y⁻¹ = y⁻³⁻⁻¹ = y⁻² = 1/y²
together is 1/x²y², answer B
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