Question

a car has a mileage rating of 39 miles per gallon of gasoline. part a how many miles can the car travel on 71.0 liters of gasoline? express your answer using two significant figures.

Explanation:

Step1: Convert liters to gallons

1 gallon is approximately 3.78541 liters. So, the number of gallons in 71.0 liters is $n=\frac{71.0}{3.78541}$.

Step2: Calculate the miles traveled

The car travels 39 miles per gallon. So the number of miles $d = 39\times n=39\times\frac{71.0}{3.78541}$.

Answer:

$7.3\times 10^{2}$ mi