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Grade: 11
        What will be the digits in the units place for the value of (23)^14
10 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
							

Dear sundeep

to know digit at unit place we do not need whole number

just take the digit at unit place ie 3

                digit at unit place

3^1 =                  3

3^2 =                  9

3^3 =                 7

3^4=                  1

3^5=                  3

 

digit at unit place is periodic of period 4

 

digit at unit place for 23)^14  =is same as digit at unit place for 3^2

that is 9


Please feel free to post as many doubts on our discussion forum as you can. If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly.
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 All the best sundeep.
 
Regards,
Askiitians Experts
Badiuddin

10 years ago
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