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If the exponent or raised power of a number is in the form of p/q the exponent is said to be rational exponent. For example= 11/2 22/3
You can use any number - rational or otherwise - as an exponent.
And exponent of -2 represents the square root
rational numbers are commonly referred to as fractions Any root ... square root, cube root, etc can be expressed as a rational exponent sq rt of x = x1/2 cube root of x = x1/3 if there is an exponent inside the radical you can also have rational exponents with some numerator other than 1 ex 4th root of x3 = x3/4
4/3