What will be the value of $0.4 × 0.4 × 0.4$ ?

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6.4

0.64

0.064

None of these

answer is C.

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Detailed Solution

We have to find the value of

0.4 × 0.4 × 0.4

.
So on multiplying without decimal parts,

4 × 4 × 4 = 64

Putting decimal before three digits which is same as the sum of digits after decimal in all the numbers to be added,
We get 0.064
Therefore, option 3 is correct.

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