Question

what will be the unit digit of the square of the following number?

(a)81

(b)272​

Answer 1

Answer:

A . 1

b . 4

Step-by-step explanation:

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Answer 2

Answer:

hi the answer for the following questions are

Step-by-step explanation:

a)81=unit digit 1                                                                                                             square of 1=1 so the unit digit of square of 81 =1                                                        b)272=unit digit 2                                                                                                             square of 2=4 so the unit digit of square of 272 =4                                                    the final answers are a)1 ,b)4                                               thankyou