Question

Which of the number would end with
digit -1 ?
i) 161 (to the power)2
ii)123(to the power) 2
III) 82(to the power) 2
Iv) 77(to the power) 2
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Answer 1

Answer:

1) 161 ( to the power )2

Step-by-step explanation:

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Answer 2

The number (161)² would end with digit 1 because we know square of 1 is 1 itself so when 161 will be multiplied twice it would give a number which will have 1 in its unit place.

(161)² = 25921.

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