When you are seeing which number is bigger first you look at the first digit
0.83 or 0.802
^8 ^8
If they equal the same, look at the second digit
0.83 or 0.802
^3 ^0
3 is greater than 0
0.83 is larger
you can also look at it this way:
0.83 = 0.830
What is bigger
0.802 or 0.830?
0.83 is bigger