Two marks example problems III — task. Mathematics State Board, Class 10.

PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo

Can the number \(6^n\), \(n\) being a natural number, end with the digit \(5\)? Give a reason for your answer.

Answer:

\(6^n\) cannot end with the digit \(5\).
\(6^n\) can end with the digit \(5\).

Reason:

\(6^n\) has the multiples that can end with the digit \(5\).
\(6^n\) has the factor \(2\) and so it must be an even number.

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content