Question

Exercise 1.1
ill in the blanks:
The ones digit in the square of 77 is_ 9
1) The number of non-square numbers between 24 and 252 is
Lii) If a number ends with 5, its square ends with
v) A square number will not end with numbers 2,521
--) The number of perfect square numbers between 300 and 500 is
​

Answer 1

Answer:

1.49

ii.5

not end with 2378