Calculate 6.25 × 10⁶ - 4.73 × 10⁶. Express your answer in scientific notation to 2 decimal places.

Answer 1

6.25 × 10⁶ - 4.73 × 10⁶ = (6.25 - 4.73) × 10⁶
= 1.52 × 10⁶

Expressing the answer in scientific notation to 2 decimal places, we get 1.52 × 10⁶.