80
82
No, there aren't any square numbers between 70 and 80. From 70 to 80, no number has a perfect square root, so no square number exists between 70 to 80.
-96
A negative number cannot have a square root in basic mathematics. However, in more advanced mathematics, you will study complex numbers. And there you will find that the square roots of -80 are ± 8.944*i where i is the imaginary square root of -1.Incidentally, ± 8.944 are the square roots of +80.
80
16 and 64
(8²)64 + (4²)16 = 80
82
No, there aren't any square numbers between 70 and 80. From 70 to 80, no number has a perfect square root, so no square number exists between 70 to 80.
Infinitely many, since every number in that range is a square of some other number. There are 7 perfect square numbers.
80
20
30 squared is 900 = 302 80 squared is 6400= 802 add these together and you get 7300 so your answer is 30 and 80
-96
16 and 64. 16 is 4 squared. 64 is 8 squared.
38