Question

Evaluate (5.6 x 10^-4 ) - (9.3x10^-6)
Give your answer in standard form to 3SF​

Answer 1

.0005507

Explanation:

5.6 x
`10^(-4)`

9.3 x
`10^(-6)`

560 x
`10^(-6)`

- 9.3 x
`10^(-6)`

550.7 x
`10^(-6)`

.0005507

Answer 2

I got 5.51x10^-4

Explanation: