Q: Possible example of real number

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No. The square root of negative one is an example of an imaginary (not real) number. Pi is irrational, but real.

2 is a real world prime number.

It need not be. For example, a complex number as a percent of most other complex numbers, or any real number, will not be a real number.

2.5 is an example.

One-eighth

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No. The square root of negative one is an example of an imaginary (not real) number. Pi is irrational, but real.

i

2 is a real world prime number.

It need not be. For example, a complex number as a percent of most other complex numbers, or any real number, will not be a real number.

2.5 is an example.

It is a real number because for example water freezes at 0 degrees Centigrade

the square root of 2

One-eighth

The square root of 2 is real number but it is not rational number because it can't be expressed as a fraction.

Any odd root, for example the cube root, of -3.24 is a real number.

10 + 23 = 33 Lowest possible real number 97 + 86 = 183 Highest possible real number 02 + 13 = 15 Lowest possible number 97 + 86 = 183 Highest possible number

A real number is any whole number, so -3,-2,-1,0,1,2,9,10,32,45, and 23,405,868 are real numbers. A positive number is any number greater or equal to zero.