No.
An irrational number cannot be written as a fraction or to an exact decimal such as the symbol for pi or the square root of two. A rational number can be written in the form of a fraction or a decimal to an exact value.
Pi is an irrational number
When a decimal can't be expressed as a fraction then it is an irrational number.
A decimal rational number can be expressed as a fraction A decimal irrational number can not be expressed as a fraction
No.
It is not ever accurate.
A decimal number can be rational or irrational.
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…
Irrational, possibly transcendental
An irrational number cannot be written as a fraction or to an exact decimal such as the symbol for pi or the square root of two. A rational number can be written in the form of a fraction or a decimal to an exact value.
Pi is an irrational number
When a decimal can't be expressed as a fraction then it is an irrational number.
as non-repeating, non-terminating.
A decimal rational number can be expressed as a fraction A decimal irrational number can not be expressed as a fraction
If it is a terminating or recurring decimal then it is not irrational. If it is an infinite, non-recurring decimal, it is irrational.
An irrational number has a decimal representation that is non-terminating and non-repeating.