Answer:

Explanation:
There are 60 seconds in a minute, and 60 minutes in a second therefore there are...
60*60=3600 seconds in an hour
We are given that 1.5 × 10⁴ gallons flow every second. We can use this information to set up an unit converter.

Note that we need the answer in scientific notation. We need to multiply a number that is between 1 and 10 by
...
