15 POINTS estimate the sum or difference use the benchmarks 0 1/2 and 1

1. 0
2. 1/2
3. 1

i think it is

step-by-step explanation:

a formal letter is a letter the you would send to a king

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⭐