Which is closest to the ratio of the population of India, ~1.4 x 10^9 to the population of Thailand, ~7 x 10^7? A. 2,000 to 1
B. 200 to 1
C. 20 to 1
D. 2 to 1

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

i got so much points from yo a.