The body of a 150 pound person contains 2.3 times 10 to -4 power pounds of copper. How much copper is contained in the bodies of 800 people that weigh 150 pounds. Write your final answer in scientific notation

the answer is 31.27mph

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

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