Q. 115 C5.0( 1 Vote )

Express each of the following in standard form:

Mass of a molecule of hydrogen gas is about 0.00000000000000000000334 tons.

Answer :

Given that, Mass of a molecule of hydrogen gas = 0.00000000000000000000334 tons


Standard form = 0.334 × 10-20 tons


= 3.34 × 10-1 × 10-20


Using the law of exponent,


= 3.34 × 10-1-20


= 3.34 × 10-21


The standard form is 3.34 × 10-21 tons


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