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melisa1 [442]
3 years ago
6

.................................

Mathematics
1 answer:
horsena [70]3 years ago
5 0
We know:
a^{-n}=\dfrac{1}{a^n}
therefore
2a^{-4}m^5=2\cdot\dfrac{1}{a^4}\cdot m^5=\dfrac{2m^5}{a^4}
Answer: B 2m^5/a^4

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