Lee has jar of 100 pennies she adds group of 10 pennies to the jar she adds 5 groups what numbers does she say

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⭐

1,150 give brainliest

step-by-step explanation

2r= 2300

r =1150