Question

How do you write 2.14 x 10^-5 in standard form by moving the decimal point?

Answer 1

`\\ \sf\longmapsto 2.14* 10^(-5)`

• Cancel 1 by 1

`\\ \sf\longmapsto 0.214* 10^(-4)`

`\\ \sf\longmapsto 0.0214* 10^(-3)`

`\\ \sf\longmapsto 0.00214* 10^(-2)`

`\\ \sf\longmapsto 0.000214* 10^(-1)`

`\\ \sf\longmapsto 0.0000214`

Answer 2

21.4 * 10^(-5)