Question

4. Find the product. (4.0 × 10^-2) × (5.2 × 10^8) (1 point)

20.8 x 10^8
2.08 x 10^7
2.08 x 10^6
20.8 x 10^7

Answer 1

2.08 ×
`10^(7)`

Explanation:

Multiply 4 × 5.4 to get 20.8. Then multiply
`10^(-2)` ×
`10^(8)` =
`10^(6)`

However, that is not an answer. So, you can divide 20.8 by 10 and multiply
`10^(6)` × 10.

Then you get 2.08 ×
`10^(7)`