Question

Determine the cube root of 42 875. Will Medal

Answer 1

0.875 as a fraction is 7/8

so convert the number to an improper fraction.

and you get

\[\frac{336 + 7}{8}\]

you should know \[2^3 = 8\]

you need to do a little work and figure out

\[?^3 = 343\]

then you'll have the answer