The digit at the ones place of 57² is _________. Fill in the blanks to make the statement true.
Solution:
Given, the digit at the one’s place of 57² is ______.
We have to fill in the blanks to make the statement true.
The unit digit of a perfect square can be only 0, 1, 4, 5, 6 or 9.
The square of a number having 3 or 7 at the unit's place ends in 9.
Given, the number is 57.
The number ends with 7.
The square of the number ending with 7 will have 9 at the unit’s place.
Therefore, the digit at the one’s place of 57² is 9.
✦ Try This: The digit at the one's place of 23² is _________. Fill in the blanks to make the statement true.
Given, the digit at the one’s place of 23² is ______.
We have to fill in the blanks to make the statement true.
The unit digit of a perfect square can be only 0, 1, 4, 5, 6 or 9.
The square of a number having 3 or 7 at the unit's place ends in 9.
Given, the number is 23.
The number ends with 3.
The square of the number ending with 3 will have 9 at the unit’s place.
Therefore, the digit at the one’s place of 23² is 9.
☛ Also Check: NCERT Solutions for Class 8 Maths
NCERT Exemplar Class 8 Maths Chapter 3 Problem 39
The digit at the ones place of 57² is _________. Fill in the blanks to make the statement true
Summary:
The digit at the one's place of 57² is 9
☛ Related Questions:
visual curriculum