81*81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.
No, -81 is not an irrational number because it can be represented in the form x/y = -81
No because the square root of 81 is 9 which is a rational number
No. A rational plus an irrational is always an irrational.
rational
It is always irrational.
81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
No, it is rational.
No. The square root of 81 is 9, which is a rational number.
No, -81 is not an irrational number because it can be represented in the form x/y = -81
No because the square root of 81 is 9 which is a rational number
The square root of -81 is an imaginary number, specifically 9i, where i represents the imaginary unit equal to the square root of -1. Since the square root of -81 does not result in a real number, it is considered irrational. Rational numbers are those that can be expressed as a ratio of two integers, whereas irrational numbers cannot be expressed in this form.
No. 81 is a rational number. An irrational number is a number with an endless amount of digits like pi or the square root of 2.
81 as well as all whole numbers are rational numbers. Any number that can be written as a fraction is a rational number. An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point. An example of an irrational number would be pi: π = 3.141592…
4.6 is rational.
10.01 is a rational number
Rational
is 34.54 and irrational or rational. number