Question

$compare \: the \: mass \: of \: an \:electron \\ which \: is \: 9.11 \times {10}^{ - 31}kg \: \: with \: the \: \\ mass \: of \: a \: proton \: which \: is \: \\ 1.673 \times {10}^{ - 27}kg.$
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Answer 1

Answer:

mass of electron/mass of electron=(9.11*10^-31)/(1.673*10^-27)

=(9.11/1.673)*10^(-31+27)

5.445*10^-4

Answer 2

Answer:

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