Question

Subtract 4.3 x 10^3 - 7 x 10^2. Use pencil and paper. Make the answer a power of 10.

Answer 1

4.3 x 10^3 - 7 x 10^2

= 4.3 x 1000 - 7 x 100

= 4300 - 700

= 3600

Therefore, the answer is 3.6 x 10^3.