3 is your front end digit nothing in the numbers can round up so it would seem that 300 would be it
The front-end digit of 5.28 is 5.
9
8
It is 9.
It is the 9.
2
It means using only the first non-zero digit (rounded up if required), and replacing all other digits by zero.
1
5
Numbers that end in a digit of 4 or less should be rounded DOWN to the nearest ten.Example: 24 rounded to the nearest ten would be 20Numbers that end in a digit of 5 or more should be rounded UP to the nearest ten.Example: 28 rounded to the nearest ten would be 30
9
20000