Question

Please help!!

Approximately how many times greater is4×10^7 than 8×10^3?

1. 0.5
2. 500
3. 5000
4. 50,000

Answer 1

4x10^7 = 40000000
8x10^3 = 8000
40000000/8000 = 5000
So your final answer is 5000

Answer 2

  4×10^7
------------ = 0.5 x 10^4 = 5000
 8×10^3

answer
3. 5000