5.8 x 108 - 2.9 x 107 in a scientific notation

Answer 1

5.8 x 10^8 - 2.9 x 10^7 in scientific notation would be:

5.8 x 10^8 - 2.9 x 10^7 = 5.8 x 10^8 - 0.29 x 10^8 = (5.8 - 0.29) x 10^8 = 5.51 x 10^8