Question

Select the expression that is equivalent to (picture)

Answer 1

3 x 10^5 + 5 x 10^8

300 000 + 500 000 000

Second option.

Answer 2

3 * 10^5 = 3 * 100,000 = 300,000
and
5 * 10^8 = 500,000,000

So the answer is B