Because it ends in a 3 and gets rounded down. 63 is nearer to 60 than it is to 70.
60
60 to the nearest ten is 60.
When rounding the number 63 to the nearest ten, it becomes 60 because it is closer to 60 than to 70. If rounding to the nearest whole number, it remains 63 since it is already a whole number. Depending on the context, rounding can vary, but typically these are the standard practices.
60
If you are rounding to the nearest tens, it is correct that 63 is rounded to 60.
60
It is 60
60
60 to the nearest ten is 60.
63 rounds to 60.
60
60
55 rounded to nearest ten is 60
60
60
If you are rounding to the nearest tens, it is correct that 63 is rounded to 60.
60