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Question
The one’s digit of the cube of 23 is ______.
Options
6
7
3
9
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Solution
The one’s digit of the cube of 23 is 7.
Explanation:
We know that, the cubes of the numbers ending with digits 3 and 7, have 7 and 3 at one’s digit, respectively.
So, the one’s digit of the cube of 23 is 7.
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