MasakiNakashima
Answered

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The mass of a dust particle is approximately 7.5 x 10-10 kilograms and the mass of an electron is 9.1 x 10-31 kilograms. Approximately how many electrons have the same mass as one dust particle?
Group of answer choices

1.21×1021

8.24×1021

1.21×1020

8.24×1020

Sagot :

civilmatthania5

Answer:

(7.5 x 10-10 kg) / (9.1 x 10-31 kg) ≅ 8.24 x 1020

Step-by-step explanation:

Divide the mass of one dust particle by the mass of one electron, and that will be your answer.

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