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MathematicsMathematics
27 July, 09:29

The mass of an electron is approximately 9 * 10-28 grams, while the mass of a neutron is approximately 2 * 10-24 grams. Which of the following is true?

A.

The mass of a neutron is approximately 2,000 times the mass of an electron.

B.

The mass of a neutron is approximately 20,000 times the mass of an electron.

C.

The mass of a neutron is approximately 10,000 times the mass of an electron.

D.

The mass of a neutron is approximately 1,000 times the mass of an electron.

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Answers (2)
  1. 27 July, 10:25
    0
    A. Approximately 2000 times the mass of an electron.

    Step-by-step explanation:

    Lets do the division:

    Mass of neutron / mass of electron

    2 * 10^-24 / 9 x 10^-28

    = 0.222 x (10^ (-24 - (-28))

    = 0.2222 ... x 10^4

    = 2222.
  2. 27 July, 11:58
    0
    The answer is A the mass of a neutron is approximately 2,000 times the mass of an electron
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Home » Mathematics » The mass of an electron is approximately 9 * 10-28 grams, while the mass of a neutron is approximately 2 * 10-24 grams. Which of the following is true? A. The mass of a neutron is approximately 2,000 times the mass of an electron. B.
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