How many times larger is 2 x 10^10 than 5 x 10^6? A. 4000 B. 4 C. 400 D. 40

Question

asked Sep 8, 2020 72.5k views

1 Answer

Artif · Answer 1 · 2020-09-14T23:56:33+0000

Divide the whole numbers:

2 / 5 = 0.40

When dividing scientific numbers subtract the exponents:

10-6 = 4

Now you have:

0.4 x 10^4

Rewrite to scientific notation:

4 x 10^3

Convert to standard form: 4000

The answer is A.