How do you write exponents as fractions?

How do you write pi In fraction from? How many days in 24 months? What is the GCF of 20 and 87? What are the letters whatS for? What is 5120 in expanded from with exponents? 9inch in centimeters? What is the volume of a large jug? What is 45 divided by 2.4? How many seconds are there in eighty minutes? What is the 117th odd number? Is it always true that for any polynomial px if x is a zero of the derivative then x px is a maximum or minimum value of px? How did Hypatia become interested in mathematics? What are small circles on the earth? Can an equalateral triangle always be called acute? Is 1.3939939993 a rational number? What percentage of the area would the Empirical Rule say is between z -3.00 and z 3.00? Why 100 a perfect square? How old is someone born in April 1984? How many kgs is 142 pounds? Is 100 mg of keratin too much?