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A number that can be written as a/b where a and b are integers, but b is not equal to 0. .25=¼
A number whose decimal form is non-terminating and non-repeating. Cannot be written in the form a/b, where a and b are integers (b cannot be zero).
A number whose decimal representation eventually repeats the same sequence of digits. 1/3=.3333333...
A decimal numeral that does not end in an infinite sequence of zeros. 1.42345426343517189191........
A result that is not necessarily exact, but is within the limits of accuracy required for a given purpose.
146 ≈ 150 2.57≈3
A number that when multiplied by itself, and then mulitplied by itself again equals the given number.
In any right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse, a²+b²=c²
If the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle.
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