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rational number
A number that can be written as a fraction
irrational number
a number that can NOT be written as a fraction or as a repeating or terminating decimal
whole number
Natural numbers ( counting numbers) and zero; 0, 1, 2, 3...
natural number
The set of numbers 1, 2, 3, 4, ... Also called counting numbers.
integer
The set of whole numbers and their opposites
real number
All rational and irrational numbers
Base
The number that gets multiplied when using an exponent.
exponent
A mathematical notation indicating the number of times a quantity is multiplied by itself.
Power
Another word for exponent which is a mathematical notation indicating the number of times a quantity is multiplied by itself.
expanded form
A way to write numbers by showing the value of each digit
