Plz answer fast

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Multiplying fractions by whole number 5 x 1/3=?

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.