Question

Calculate 6.25 × 10^6 −4.73 × 10^6 . Express your answer in scientific notation to 2 decimal places. (hint: the answer is equal to 1520000)

Answer 1

6.25 × 10^6 − 4.73 × 10^6 = 6.25 - 4.73 × 10^6 = 1.52 × 10^6

Therefore, the answer in scientific notation to 2 decimal places is 1.52 × 10^6.