2
one
In the decimal system, the largest digit in any place is 9.
99939
The tens digit.
The largest three-digit number with a digit sum of 10 is 910. This can be determined by maximizing the hundreds place first, setting it to 9, and then adjusting the tens and units places to reach a total digit sum of 10. In this case, using 1 for the tens place and 0 for the units place achieves the desired sum.
one
9
How about 89
The digit 9 is the largest you can write in any place, including the tens place.
In the decimal system, the largest digit in any place is 9.
481, 482, 484
84
9
The largest single digit in our numerical system is 9. Once you write 10, you have two digits.
99939
99. 9 divided by 9=1
89 rounds to 90