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Number Systemsmedium
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The mass of an electron is approximately 9.11×10−319.11 \times 10^{-31}9.11×10−31 kg. The mass of a proton is approximately 1.67×10−271.67 \times 10^{-27}1.67×10−27 kg. Approximately how many times heavier is a proton than an electron?