It can be, but 70 may be better.
80%
Estimated: 80 Actual: 79.'7' repeating '7'
To the nearest ten, 80
80
1 x 727, 727 x 1
Roseanne Barr's estimated net worth is $80 million.
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.
80%
727 is prime.
What condition is the model 80 in. No estimate can be give without more information.
close to 80 million USD
Estimated at 80 million world wide