What it mean when their is a 2 on the top right corner of a number

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

What is the volume of this square pyramid?

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.