Mathematics, 15.10.2019 17:50 londonpaige

There are 6.02 × 1023 atoms in 1 gram of hydrogen. how many atoms are there in 400 grams of hydrogen? write your answer in scientific notation. if necessary, round your answer to two decimal places.

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There are 6.02 × 1023 atoms in 1 gram of hydrogen. how many atoms are there in 400 grams of hydrogen...

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