Sia begins at 0. She draws a blue card on each of her first three turns. Then, Sia draws only red cards and ends up back at 0. How many red cards did Sia draw??? please help

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes