Question

Simplify 0.000215 x0.000028 and express your answer in standard form

Answer 1

Here is the solution :-

0.000215 x 0.000028

=> 215 x 10^-6 x 28 x 10^-6

=> 215 x 28 x 10^(-6-6)

=> 6020 x 10^-12

=> 6.02 x 10^-9