Which of 123^2 , 77^2 , 82^2 ,161^2 ,. 109^2 . would end with digit 1?????
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1
Answer:
109 power 2 end with digit 1
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Answer:
Which of 123², 77² 82², 161², 109² would end with digit 1?
The squares of those numbers end in 1 which end in either 1 or 9. The squares of 161 and 109 would end in 1.
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