SOLUTION: I am studying for the generalist teacher's certification, and I am studying for the math section. I am stuck on finding a formula to solve the number of grains. I have an idea, b

Question 144577: I am studying for the generalist teacher's certification, and I am studying for the math section. I am stuck on finding a formula to solve the number of grains. I have an idea, but if you can just give me the steps to solve the equation without giving the answer. The question is The Sahara Desert covers about 8.3x10^13 squart feet. the average depth of the sand in the Sahara Desert is 200 ft. A grain of sand has a volume of approximately 1.3 X 10^-9. What would be the best estimate of grains in the sarah desert. I understand that the volume of a cube is given which is approx 1.3 X10^-9. Would I use the formula for the density?
Anna
Answer by shahid(44) (Show Source): You can put this solution on YOUR website!
anna try this formula to find out the number of grains
number of grains = volume of sahara desert/volume of grain(single grain)
hope this be helpful
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