Q. 115 A

Express each of the following in standard form:

The mass of a proton in gram is

Answer :

Given that, The mass of a proton =


Standard form =


= 1673 × 10-27 g


= 1.673 × 103 × 10-27


Using the law of exponent,


= 1.673 × 10-27 + 3


= 1.673 × 10-24 g


The standard form is 1.673 × 10-24 g


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