Question

Solve 0.05 x 0.8 x 0.002.

Answer 1

0.05 has 2 decimal places, 0.8 has 1 decimal place, and 0.002 has 3 decimal places. Hence the result will have 2+1+3 = 6 decimal places.
5 x 8 x 2
= 80
Shifting decimal point to 6 places to the left will give 0.000080