Question

Find (4 × 105) − (9 × 102).
A) 3.001 × 102
B) 3.001 × 105
C) 3.991 × 102
D) 3.991 × 105

Answer 1

B. If you need more help go to photomath or Slader.com

Answer 2

Answer:

The answer is D.)

Step-by-step explanation:

3.991 × 10^5

(4 × 10^5) − (9 × 10^2) =

(4 × 10^5) − (0.009 × 10^5) =

3.991 × 10^5

I did this on usa test prep

I hope this helps