Question

What is 0.0314 written in scientific notation?

A.

3.14 × 10–3


B.

3.14 × 10–2


C.

3.14 × 102


D.

3.14 × 103

Answer 1

`10_(3) = 1000`

`10_(2) = 100`

`10_(-2) = 0.01`

`10_(-2) = 0.001`

3.14 / 0.0314 = 100

Therefore:

3.14 / 100 = 0.0314

/ 100 = * 0.01

`0.01=10_(-2)`

3.14 × 10–2