Significant Figures: In Calculations Video Lessons

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Problem: Ellen recently purchased a new hybrid car and wants to check her gas mileage. At an odometer setting of 651.1 mi, she fills the tank. At 1314.4 mi she requires 16.1 gal to refill the tank. Assuming that the tank is filled to the same level both times, how is the gas mileage best expressed?a. 40 mi/galb. 41 mi/galc. 41.2 mi gald. 41.20 mi/gal

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We are asked how is the gas mileage best expressed.


When dealing with multiplication or division the least number of significant figures will determine the final answer. 


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Problem Details

Ellen recently purchased a new hybrid car and wants to check her gas mileage. At an odometer setting of 651.1 mi, she fills the tank. At 1314.4 mi she requires 16.1 gal to refill the tank. Assuming that the tank is filled to the same level both times, how is the gas mileage best expressed?

a. 40 mi/gal

b. 41 mi/gal

c. 41.2 mi gal

d. 41.20 mi/gal

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Significant Figures: In Calculations concept. You can view video lessons to learn Significant Figures: In Calculations. Or if you need more Significant Figures: In Calculations practice, you can also practice Significant Figures: In Calculations practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Baker's class at KSU.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: The Central Science - Brown 13th Edition. You can also practice Chemistry: The Central Science - Brown 13th Edition practice problems.