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 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, 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
√80 = 8.94427191
16
no. 80 is a rational number