Question

6.2 x 10^6 - 7 x 10^5 + ?
Write the answer in the power of 10.

Answer 1

6.2 x 10^6 - 7 x 10^5 = 6.2 x 10^6 - 0.7 x 10^6 = 5.5 x 10^6.

Therefore, the answer is 5.5 x 10^6.