Question
0.4 × 0.4 × 0.4 = 0.64

Answer

True
Solution:
We have
0.4 × 0.4 × 0.4
Now, 4 × 4 × 4 = 64
Sum of decimal places in the given decimals = (1 +1 +1) = 3
$\therefore$ 0.4 × 0.4 × 0.4 = 0.064

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