B^-3 = 1/64 what equals b

Mathematics

1 answer:

s2008m [1.1K]3 years ago

5 0

64=2*2*2*2*2*2=2⁶

B⁻³=1/64
1/B³=1/2⁶
B³=2⁶
B=∛2⁶=2⁶/³=2²=4

Answer: B=4

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