64 and 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.
Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally.So a logical compatible number for 77 would be 80.
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
16 and 64. 16 is 4 squared. 64 is 8 squared.
38
Those two numbers would be 80 and 40. 80*40=3200 80+40=120