Answer: The ones digit in 31 is 1,
The tens digit in 31 is 3.
Step-by-step explanation:
In a whole number each digit has its own place value which is represented by a digit in a number on the basis of its position in the number.
We can write,
31 = 30 + 1
The position of 1 = ones
And, the position of 3 = tens,
Thus, In 31,
The ones digit = 1,
And, tens digit = 3.
