The unit’s digit in the square of 1294 is _________. Fill in the blanks to make the statement true.
Solution:
Given, the number is 1294.
We have to find the unit’s digit in the square of 1294.
The unit digit of a perfect square can be only 0, 1, 4, 5, 6 or 9.
The square of a number having 4 or 6 at the unit's place ends in 6.
5 at the unit's place ends in 5.
The given number 1294 ends with 4.
The square of a number having 4 at the unit’s place will end with 6.
Therefore, the unit’s digit in the square of 1294 is 6.
✦ Try This: The unit’s digit in the square of 1355 is _________. Fill in the blanks to make the statement true.
Given, the number is 1355.
We have to find the unit’s digit in the square of 1355.
The unit digit of a perfect square can be only 0, 1, 4, 5, 6 or 9.
The square of a number having 5 at the unit's place ends in 5.
The given number 1355 ends with 5.
The square of a number having 5 at the unit’s place will end with 5.
Therefore, the unit’s digit in the square of 1355 is 5.
☛ Also Check: NCERT Solutions for Class 8 Maths
NCERT Exemplar Class 8 Maths Chapter 3 Problem 27
The unit’s digit in the square of 1294 is _________. Fill in the blanks to make the statement true
Summary:
The unit’s digit in the square of 1294 is 6
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