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Estimate how many kilograms of laundry soap are used in the U.S. in one year (and therefore pumped out of washing machines with the dirty water). Assume each load of laundry takes 0.1 $\mathrm{kg}$ of soap.
$2 \times 10^{9} \mathrm{kg}$ of soap per year
Physics 101 Mechanics
Chapter 1
Introduction, Measurement, Estimating
Physics Basics
Cornell University
University of Washington
University of Sheffield
University of Winnipeg
Lectures
04:16
In mathematics, a proof is…
04:48
In mathematics, algebra is…
00:39
In the U.S. Customary Syst…
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What is the mass, in kilog…
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Convert the given amount t…
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Complete each solution.
So we want to see how many loads, how many rather home, how much laundry detergent is used. Ah, by all of the United States per year. So we can say that there are approximately three times 10 to the eighth people living in the United States around 300,000,000 people, each of them do about we can say load and 1/2 per week per person so we can say 1.5 loads of laundry per week per person. And then we're going to multiply this by 52 weeks per year. And then we can multiply the amount of laundry detergent that they used us. We can save 0.1 kilogram. So about 100 grams of laundry detergent for every one load of laundry, and we find that this is gonna be equal to 2.34 times 10 to the ninth kilograms for every one year. This is our final answer. That is the end of the solution. Thank you for watching
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