annabell199
annabell199
22-09-2017
Mathematics
contestada
Can someone help me please ?!?
Respuesta :
Аноним
Аноним
24-09-2017
a^4 / a = a^3
b^-3 / b^-2 = b^(-3-(-2)) = b^-1 = 1/b
so the answer is a^3/b
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