Question

The following numbers are obviously not perfect squares.Give reasons?
a)1057 b)64000

Answer 1

Step-by-step explanation:

A number can be a perfect square only when it has unit digit among 1,4,9,6,5. In all the given numbers, the unit digit is not equal to any of digits 1,4,9,6,5

hope it helps

Answer 2

1057=it is not perfect square because a perfect square never end with 7,3,8 it always end with 4,9,6

64000=it is not perfect square because a perfect square never end with 3 zero it always end with 2,4,6 zero