The average human heart pumps about 60 milliliters of blood for each beat. (a) How many liters of blood does your heart pump each day? (Assume an average of 60 beats per minute.) L/day

(b) Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100 liters, 10 liters, 1 liter, or 1 milliliter? Explain your reasoning. To the nearest _____________ would be reasonable because a difference of 5 beats per minute would be a difference of ________ liters per day.