The weight of water is 62 and one half lb per cubic foot. what is the weight of water 8 and one half cubic feet of water? how much does water 8 and one half cubic feet of water weigh?

531.25 lbs is the right answer!

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⭐