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julia-pushkina [17]
3 years ago
6

If one atom of carbon weighs 1.99 × 10^−22 g and one atom of hydrogen weighs 1.67 × 10^−27 g, which element weighs more? Explain

your choice.
Mathematics
1 answer:
garik1379 [7]3 years ago
8 0

Answer:

The atom of carbon weighs more

Step-by-step explanation:

we have

<em>Atom of carbon weighs</em>

1.99*10^{-22}\ g=1.99*10^{-22}(\frac{10^{5}}{10^{5}})=199,000*10^{-22}(\frac{1}{10^{5}})=199,000*10^{-27}\ g

<em>Atom of hydrogen weighs</em>

1.67*10^{-27}\ g

Compare

199,000*10^{-27}\ g > 1.67*10^{-27}\ g

therefore

The atom of carbon weighs more

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2 years ago
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Question One:
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Probability that 2 of the 10 chargers will be defective =0.35

Number of ways of selecting 10 chargers from 20 chargers is 20C10

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