Question

answer this question by step by step​

Answer 1

Step-by-step explanation:

1] 799 unit digit .

$9 {}^{2} = 81$

2]3853 unit digit

$3 {}^{2} = 9$

3] 1234 unit digit

$4 {}^{2} = 16$

4] 26387 unit digit

$7 {}^{2} = 49$

5] 81 unit digit

$1 {}^{2} = 1$

6] 12796 unit digit

$6 {}^{2} = 36$

Answer 2

Answer:

9^2= 81

• Therefore the unit digit of the square of the number 799 is 1.

3^2=9

Therefore the unit digit of the square of the the number 3853 is 9.

4^2 = 16

Therefore the unit digit of the square of the number is 6.

7^2=49

Therefore the unit digit of the square of the number 26387 is 9

1^2= 1

Therefore the unit digit of the square of the number 81 is 1

6^2= 36

Therefore the unit digit of the square of the number12796 is 6.