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,rational number
a number that can be expressed as a ratio (fraction) of two integers - terminating and
repeating decimals are considered rational
irrational number
Any real number which cant be expressed as a fraction of two integers
real number
All rational and irrational numbers
, negative exponents
Raising a number to a negative exponent is the same as raising the number's reciprocal
to the equivalent positive exponent
scientific notation
a method of writing very large (34,200,000) or very small (0.0000029) numbers using powers
of 10
radical symbol
the symbol √ used to denote a root
square root
a number that when multiplied by itself equals a given number