Question

Lake Michigan holds 1.3 x 1015 gallons of water. If just Chicago removed water from the
lake and it never rained again, how many days would the water last? Chicago uses 1.2 x 109
gallons of water /day
1,300,000,000,000,000 gallons
Show work

Answer 1

1.3 x 10¹⁵ : 1.2 x 10⁹ = 1.083 x 10⁶