I ned help in this

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

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.