No
It is 64.
Yes.
80.00
1,280 square feet. This is an easy calculation - just multiply the length by the width. The answer is the number of square feet.
80 square feet x 15 = 1200 square feet.
It is a rational number because it can be expressed as an improper fraction in the form of -80/1
The positive square root of 80 is approximately 8.94. Since 8.94 is closest to 9, the number closest to the positive square root of 80 is 9.
The square root of -6400 is not a real number because the square root of a negative number is not defined in the real number system.
Yes
9
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.
No, because an integer is a whole number and it's opposite (negative or positive). The square root of 80 is not a whole number.
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.
Square root of 81
Well, lets see. First we have to divide 80 by 2 as such: 80/2 = 40. Then we square root 40, which leads us to our final answer of 6.32455532.
square root of 125/80 = 1.25 or 5/4
no. 80 is a rational number