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Question

The cube root of .000216 is:

Options:
A .  .6
B .  .06
C .  77
D .  87
Answer: Option B

(.000216)1/3 = \(\left(\frac{216}{10^{6}}\right)^{\frac{1}{3}}\)


= \(\left(\frac{6\times6\times6}{10^{2}\times10^{2}\times10^{2}}\right)^{\frac{1}{3}}\)


=\(\frac{6}{10^{2}}\)


= \(\frac{6}{100}\)


=0.06


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