Answer:
109.5238
Explanation:
6.9 X 10^5 / 6.3 X 10^3
=109.5238
Trick:
6.9 X 10⁵ / 6.3 X 10³
=(6.9/6.3) . (10⁵/10³)
=1.95 x 10²
=1.95 x 100
8.8m questions
11.4m answers