Question

Work out the following without a calculator. (Show working out)
3 x 10^-2

Answer 1

3/100

Explanation:

3*10−2

=3*1/10*10

=3/10*10

=3/102

=3/100

Answer 2

`\displaystyle \rm \longmapsto 3 * {10}^( - 2)`

`\displaystyle \rm \longmapsto 3 * ( - 100)`

`\displaystyle \rm \longmapsto - 300`