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3 years ago

9

11. What is the mass of 30,000 molecules? Express your answer in scientific notation. Mass of one molecule of oxygen = 5.3 x 10-

23 gram

2 answers:

GrogVix [38]3 years ago

7 0

Answer:

uhhm I think it is 1.59*10^-18

Step-by-step explanation:

oksian1 [2.3K]3 years ago

4 0

Answer:

1.59*10^-18

Step-by-step explanation:

if not sorry

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astra-53 [7]

Answer:

<em>Probability ≈ 0.0714</em>

Step-by-step explanation:

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$Total Combinations - 8C4,\\8C4 = 8! / 4! * ( 8 - 4 )!,\\8 * 7 * 6 * 5 / 4!,\\\\Total Combinations = 70,\\\\Combinations of Dance Classes - 5C4,\\5C4 = 5! / 4! * ( 5 - 4 )!,\\5 * 4 * 3 * 2 * 1 / 4 * 3 * 2 * 1,\\\\Dance Classes = 5,\\\\Probability - 5 / 70 = 0.0714,\\Conclusion; Probability = ( About ) 0.0714$

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eduard

Answer:

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Step-by-step explanation:

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