The sum of Is its radius?
A garden roller has circumference 3 m. How many revolutions does it make in moving a dio
of 21 m?
A bicycle wheel with the diameter 70 cm is making 25 revolutions while travelli​

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⭐

there would only be 50 odd numbers between 1 and 100 so therefor there would be 50 even so that would only be 50 odd numbers.

the answer is  

a.

4,624π mm2

step-by-step explanation: