Robert is in charge of the community swimming pool. each spring he drains it in order to clean it. then. he refills the pool, which holds 120,000 gallons of water. robert fills the pool at a rate of 10 gallons each minute

Step-by-step explanation:

120000gallons

÷ 10min=12000 min

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⭐

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step-by-step explanation: