3.5 x 10^7 8.2 x 10^5 in scientific notation

Answer 1

3.5 x 10^7 = 35,000,000
8.2 x 10^5 = 820,000

So, in scientific notation, 3.5 x 10^7 + 8.2 x 10^5 = 3.5 x 10^7 + 0.82 x 10^7 = 4.32 x 10^7.