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Which of the following expressions is not equal to p^2?

A.
p^-3 * p^5 * p^-2 * p^2
B.
p^-9 * p^0 * p^2 * p^5
C.
p^-3 * p^-1 * p * p^5
D.
p^-5 * p^9 * p^-2 * p^0

Respuesta :

apologiabiology
remember [tex](x^m)(x^n)=x^{m+n}[/tex]
so since they're all being multiplied, just add the exponents and see which one doesn't add to 2


A. -3+5-2+2=2+0=2, yep

B. -9+0+2+5=-9+7=-2, nope

C. -3-1+1+5=-4+6=2, yep

D. -5+9-2+0=4-2=2, yep



answer is B

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