Can anyone pls help last one

Volume of cuboid = l × b × h

= 7 × 3 × 5

= 21 × 5

= 105 cm³

yes

yes yes yes

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⭐