the answer is 1. there is only 1 perfect square beteen 30 and 40.
There are 31 perfect square numbers between 1 and 1000 (including 1).
4
A perfect square number is an integer multiplied by itself. There are infinitely many such numbers.
Infinitely many, since every number in that range is a square of some other number. There are 7 perfect square numbers.
there are four. 1, 4, 9, and 16.
√2000 ≅ 44.7 √3000 ≅ 54.8 The squares of 45 to 54 lie within the range 2000 to 3000. There are thus 10 perfect square numbers between 2000 and 3000.
64
There are 10 square numbers
None. √1976 is "44 and a bit" → first perfect square ≥ 1976 is 452 = 2025 As 1976 is not a perfect square and the first perfect square greater than 1976 is 2025, and 2025 is greater than 2013, there are no perfect squares from 1976 to 2013.
Three numbers.
5
The only perfect number between 20 and 50 is 28.