Simplify. Write in scientific notation. 0.5(8 × 105)

(1 point)

8 × 55
8 × 5 5

4 × 55
4 × 5 5

8 × 105
8 × 10 5

4 × 105

4 × 105 = 4 × 10^2 = 4 × 100 = 400

So, in scientific notation, 4 × 105 would be 4 × 10^2 or 4 × 100 = 400.