When a number is multiplied 5 times with itself, it gives the value 729. Find the number.

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Solution

The correct option is B
3

A number x, which is multiplied by itself once, i.e..xx = x $^{2}$ ,

When multiplied twice xxx = x $^{3}$

When multiplied 5 times xxxxxx = x $^{6}$ = 729

$∴$ x = 3

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When a number is multiplied 5 times with itself, it gives the value 729. Find the number.

The correct option is B 3 A number x, which is multiplied by itself once, i.e..x*x = x2, When multiplied twice x*x*x = x3 When multiplied 5 times x*x*x*x*x*x = x6 = 729 ∴ x = 3

The correct option is B
3

A number x, which is multiplied by itself once, i.e..xx = x $^{2}$ ,

When multiplied twice xxx = x $^{3}$

When multiplied 5 times xxxxxx = x $^{6}$ = 729

$∴$ x = 3