Answer:
1- 12 inches
2- 12 x .7=8.4 inches next biggest doll
3- 8.4 x .7=5.88 inches next biggest doll
4-5.88 x .7=4.12 inches the last doll.
Step-by-step explanation:
12 * 0.7³
1st doll: 12
2nd: 12 * 0.7
3rd: 12 * 0.7 * 0.7
4th (smallest): 12 * 0.7 *0.7 * 0.7 = 12 * 0.7³
