Question

At times, 6 x 10º cubic feet of water go over Niagara Falls every minute. There are 1, 440 minutes in one day.
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At this rate, how many cubic feet of water would go over Niagara Falls in one day?
Use the number pad to enter your answer in the boxes in scientific notation.
At this rate, the amount of water that would go over Niagara Falls in one day, written in scientific notation, would be X cubic feet.

Answer 1

Multiply per-minute flow by minutes per day:
6 × 10^6 × 1440 = 6 × 1440 × 10^6 = 8640 × 10^6 = 8.64 × 10^9.

So X = 8.64 × 10^9 cubic feet.