Cube of a number ending in 7 will end in the digit _______________. Fill in the blanks to make the statement true.
Solution:
Given, the Cube of a number ending in 7 will end in the digit _______________.
We have to fill in the blanks to make the statement true.
Cubes of the numbers ending with the digits 0, 1, 4, 5, 6 and 9 end with digits 0, 1, 4, 5, 6 and 9 respectively.
We know that the cubes of the numbers ending in digits 3 or 7 end in digits 7 or 3, respectively.
For example: 7 × 7 × 7
7 × 7 × 7 = 49 × 7
= 343
Therefore, for a number ending in 7 its cube will end in 3.
✦ Try This: Cube of a number ending in 8 will end in the digit _______________. Fill in the blanks to make the statement true.
☛ Also Check: NCERT Solutions for Class 8 Maths
NCERT Exemplar Class 8 Maths Chapter 3 Problem 48
Cube of a number ending in 7 will end in the digit _______________. Fill in the blanks to make the statement true
Summary:
Cube of a number ending in 7 will end in the digit 3
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