Question

EXERCISE 6.1
What will be the unit digit of the squares of the following numbers?
i) 81
ii) 272
iii) 799
iv) 3853
v) 1234
vi) 26387
vii) 52698
viii) 99880
ix) 12796
x) 55555​

Answer 1

Answer:

(i) 1

(ii) 4

(iii) 1

iv) 9

v) 6

vi) 9

vii) 4

viii) 0

ix) 6

x) 5

Step-by-step explanation:

just multiply the last digit of every part with itself