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Basile [38]
3 years ago
9

Which expression is equivalent to b^-2/ab^-3 assume a=0 b=0

Mathematics
2 answers:
PtichkaEL [24]3 years ago
6 0

we have

\frac{b^{-2}} {ab^{-3}}

we know that

\frac{b^{-2}} {ab^{-3}} =(\frac{1}{b^{2}})( \frac{1}{a})( b^{3})\\ \\=\frac{b^{3}}{ab^{2}} \\ \\= \frac{b}{a}

therefore

<u>the answer is the option </u>

\frac{b}{a}

andrey2020 [161]3 years ago
3 0
B^-2/ab^-3 = b^-2/b^-3 x 1/a = b^[-2-(-3)] x 1/a = b x 1/a = b/a
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I need help on this question
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3 years ago
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3 years ago
Help me please thank you!
Fiesta28 [93]

Answer:

you got the answer right it's 49

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