80=81-1=1*80=2*40=4*20=5*16=.....etc.
You can express that in many different ways. For example, 0.8, 4/5, or 80% or 80 over 100
The number 0.80 can also be expressed as 8/10 or 80%.
8/10 or 80%
80,000,000 is 80 million in number form.
80 billion = 80,000,000,000
80 + n^2
take the number and multiply it by .8 like .8x100 (80 percent of 100) = 80
You can write 380 in the following ways: 380 3 hundred 8 tens and 0 ones 300 + 80 + 0 three hundred eighty 3 hundred 80
.80?
80,000,000,000,000,000,000,000
Eighty.
As a number it is: 80,000