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

1 answer
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

Answers

Solving:[tex]1.994*10^{-23}\:-\:1.67*10^{-24} = [/tex][tex](1.994 - 0.167 )*10^{-23}[/tex][tex]\boxed{\boxed{1.827*10^{-23}\:grams}}\end{array}}\qquad\quad\checkmark[/tex]

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