Question

if r cube=15.625 then r= ? How to do process?

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Answer 1

Answer is given below..

This is 15.654

Answer 2

Answer:

r = 2.5

Step-by-step explanation:

15,625 = (5.5).(5.5).(5.5) $=25^3$

15.625 = $\frac{15625}{1000} = \frac{(25)^3}{(10)^3} = (\frac{25}{10} )^3 = (2.5)^3$

According to the problem:

$r^3 = (2.5)^3$

∴ r = 2.5