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A city uses 6.8 × 109 gallons of water every day. How many gallons per minute must be pumped from the reservoir to meet the city's water needs?

A city uses 6.8 × 109 gallons of water every day. How many gallons per minute must be pumped from the reservoir to meet the city's water needs?


A. 4.7E+6


B. 7.9E+4


C. 2.8E+8


D. 6.8E+9


The answer is :

A. 4.7E+6


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