Question

What is the scientific notation?
(4 x 10^9) ÷ (5 x 10^7)

8 x 10^2

8 x 10

8 x 10^63

0.8 x 10^2

Answer 1

Answer:

This :

1. 8+100=800

2. 800

3. (2×19^21

4. 800