Question

1).which of the following numbers are perfect squares or not? Give reason.
a. 64000
b. -25
c. 1225

2).which of the following will have 1 as it's units digit?
a. 42^2
b. 21^2
c.6^2
d. 19^2​

Answer 1

Answer:

1. -25,1225

Step-by-step explanation:

2. 21^2,19^2

answer is this correct