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larisa [96]
3 years ago
5

Is 721 ft above sea level positive, zero,or negative ?

Mathematics
1 answer:
pogonyaev3 years ago
8 0

Answer:

positive zero or negative thx me later

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denis23 [38]

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option d

Step-by-step explanation:

\sf \boxed{a^m*a^n = a^{m+n}\\\\}

\sf \left(\frac{m^{-1}m^{5}}{m^{-2}} \right)^{-3} =\left(\dfrac{m^{-1+5}}{m^{-2}}\right)^{-3}

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                    \sf = \left(m^{4-[-2]}\right)^{-3}\\\\      =\left(m^{4+2}\right)^{-3}\\\\       = \left(m^6\right)^{-3}\\\\

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