CBSE Class 10 Answered
Check whether 
can end with the digit 0 for any natural number n.
can end with the digit 0 for any natural number n.
Asked by susrisangita792 | 19 Apr, 2023, 08:27: AM
Expert Answer
12n = (3 x 4)n = 3n x 22n
Any number end with 0 if it is a multiple of 10.
Now, last digit of 22n can never be 0 or 5
Also, last digit of 3n can never be 0 or 5.
Thus, 12n can never end with 0.
Answered by Renu Varma | 21 Apr, 2023, 10:27: AM
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