# The mass of a carbon atom is 1.994 × 10-23 grams. The mass of a hydrogen atom is 1.67 × 10-24 grams. What is the difference of their masses? ( scientific notation) 0.324 × 10-24 grams 1.827 × 10-23 grams 1.827 × 10-24 grams 0.324 × 10-23 grams

###### Question:

The mass of a carbon atom is 1.994 × 10-23 grams. The mass of a hydrogen atom is 1.67 × 10-24 grams. What is the difference of their masses? ( scientific notation)
0.324 × 10-24 grams
1.827 × 10-23 grams
1.827 × 10-24 grams
0.324 × 10-23 grams

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