Find the product :

0.6 x 0.06 x 0.006

First we multiply 6 by 6 and then by 6

$\begin{matrix} & & 6 \ \times & & 6 \ \hline & \bold{3} & \bold{6} \end{matrix}$

∴ 6 × 6 = 36

$\begin{matrix} & 3 & 6 \ \times & & 6 \ \hline \bold{2} & \bold{1} & \bold{6} \end{matrix}$

∴ 6 × 6 × 6 = 216

Sum of decimal places in given decimals = (1 + 2 + 3) = 6

So, the product contains 6 places of decimal

∴ 0.6 × 0.06 × 0.006 = 0.000216