Check your work for part 3 by using these numbers for the conversion. 1 cup = 8 ounces. 1 gallon = 128 ounces. PLEASE HELP!! WILL GIVE BRAINLIEST

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⭐