Question

(1. 7 × 10^4) × (4 × 10^n) = 6. 8 × 10^11

Answer 1

7

Explanation:

(1. 7 × 10^4) × (4 × 10^n) = 6. 8 × 10^4+n

Soo we can conclude that

6.8 × 10^11 = 6.8 × 10^4+n

4+n = 11

n = 11-4 = 7