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ser-zykov [4K]
3 years ago
13

How do you do radical 128 with an index of negative 3

Mathematics
1 answer:
NikAS [45]3 years ago
4 0
128=2^7\\\\128^{-3}=\left(2^7\right)^{-3}=2^{7\cdot(-3)}=2^{-21}=\frac{1}{2^{21}}
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