30 is decreased to 6 what is the percent

What is the value of the expression below? (81^2)^1/8

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party