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power (mathematics)
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Power (mathematics)
In mathematics, that which is represented by an exponent or index, denoted by a superior numeral. A number or symbol raised to the power of 2 – that is, multiplied by itself – is said to be squared (for example, 32, x2), and when raised to the power of 3, it is said to be cubed (for example, 23, y3). Any number to the power zero always equals 1.
Powers can be negative. Negative powers produce fractions, with the numerator as one, as a number is divided by itself, rather than being multiplied by itself, so for example 2-1 =
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addition
common factor
cube (mathematics)
cube root
division (mathematics)
exponent
factor (number)
index notation
integer
irrational number
multiple
multiplication
negative number
number (mathematics)
number line
pi
place value
power (mathematics)
prime factor
prime number
reciprocal
root (inverse of power)
rounding
square
square root
standard form
subtraction
surd
common factor
cube (mathematics)
cube root
division (mathematics)
exponent
factor (number)
index notation
integer
irrational number
multiple
multiplication
negative number
number (mathematics)
number line
pi
place value
power (mathematics)
prime factor
prime number
reciprocal
root (inverse of power)
rounding
square
square root
standard form
subtraction
surd
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