square of the 25 containing 5 in a unit's place
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Answered by
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Hello mate here is ur ans......
15
95
105
205
(15)2 ===>1*(1+1)*100+25
===>1*2*100+25
====>200+25 = 225
(95)2 ===>9*(9*1)*100+25
====>9000+25 = 9025
(205)2===>20*(20+1)*100+25
===>20*21*100+25 = 42025
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Answered by
0
Answer: Your answer is below
Step-by-step explanation:
5 25
5 5
5 5
To find unit digit of a square multiply the unit digit of number by itself
Eg 64 square the unit digit will be 64 so unit digit of is 4 so (4x4) 16 the unit digit of 16 is 6 .so unit digit of 64 square is 6. For 22 the unit digit will be (2x2) 4 so unit digit of 22 is4 .
Hope it helps you
Thank you
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