That depends the degree to which it needs to be estimated. It may be estimated to 100, 80, or indeed 79 depending on the scale of the sum involved.
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79.27 estimated to the nearest whole number is 79
79.
79 + 79 = 158
Millions of tons. !!!!! Nitrogen forms 79% of the world wide atmosphere. The total mass of the atmosphere is estimated to be 5.15 x 10^(18) kgs. [5,150,000,000,000,000,000 kgs]. So 79 % of this mass is 4.0685 x 10^(18) kgs of nitrgoen .
ANSWER: 66.3616% taken away from 79= 79 - (16% * 79)= 79 - (0.16 * 79)= 79 - 12.64= 66.36