Question

This expression involves two numbers written in scientific notation.

Which is the simplified form of the expression?

Answer 1

Answer: the answer for it would be 20000 or should be

Explanation:

4.2e7/2.1e3 should come out to 20000 at least my graphing calc says it should but it should come out to 20k

Answer 2

The answer is 20,000 explain the answer
4.2/2.1 x 10 little 7/10 little 3 = 4.2/2.1 x 10 little 4 = 2 x 10 little 4 = 2x 10000= 20,000
I hope it helps:)