Question

A gas pump fills 2^-2 gallon of gasoline per second. how many gallons does the pump fill in one minute?

Answer 1

The gas pump filling the gallons in 1 minute will be: 15

Explanation:

• Given that a gas pump fills 2^-2 gallon of gasoline per second.

As there are 60 seconds in 1 minute.

Thus,

Gas pump filling the gallons in 1 minute will be:

`60\:* 2^(-2)`

`=60* (1)/(2^2)` ∵
`a^(-b)=(1)/(a^b)`

`\mathrm{Multiply\:fractions}:\quad \:a* (b)/(c)=(a\:* \:b)/(c)`

`=(1* \:60)/(2^2)`

`=(60)/(2^2)`

`=(2^2* \:3* \:5)/(2^2)`

`=3* \:5`

`=15` gallons in one minute

Therefore, the gas pump filling the gallons in 1 minute will be: 15