actavisd actavisd 20-04-2020 Mathematics contestada Mr. Stoebner has decided to buy MORE halloween costumes. MORE COSTUMES!!! If Mr. Stoebner has 10 costumes already, and his costume collection grows exponentially by 40% each year, what exponential equation would model this scenario. y=40(10)x y=10(40x) y=10(1.4)x y=10(0.4)x