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OpenStudy (anonymous):
there are 2.62*10^-6 atoms in 1 gram of sodium. how many atoms are there in 500 grams of sodium? write the answer in scientific notation. if necessary round your answer to two decimal places helpp please!
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OpenStudy (anonymous):
You need to multiply the first number by 500. (2.62*10^-6)*(5.00*10^2)= 1.31*10^-3
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