A tank holds 15,000,000,000,000,000,000,000 gallons. Water fills the tank 2gallons the 1st minute and doubles each minute. How long will it take to fill the tank?
teacherjenn4
Oct 28, 2012, 02:10 PM
We can help once you've attempted to solve the problem. Post your attempt and someone will help you.
ango_11
Oct 29, 2012, 09:59 AM
if 2 gallons take 1 min then 15000000000000000000000 needs:
(15000000000000000000000 * 1)/2=7.5* 10^12 min