Question

Suggest the possible ones digit of the square root of each of the following numbers:
a.1369
b.4096
c.6561
d.1849
e.8649
f.4225​

Answer 1

Answer:

1st from the last. so simple

Answer 2

Answer:

a) 7

b) 6 or 4

c) 9 or 1

d) 7

e) 7

f) 5

Step-by-step explanation:

a) 136|9|

We find a number whose square ends with 9

4|9| = 7

Therefore the square root of 1369 ends with 7

b) 409|6|

We find a number whose square ends with 6

3|6| = 6

1|6| = 4

Therefore the square root of 4096 ends with 6 or 4

Other parts can be solved by the same process