The next three are 36, 30, and 24
Answer:
16.34
Step-by-step explanation:
Is pythagoreons Theron
256 + 11.25 = c squared
267.25 = c squared
16.34 equals approximately c
So to find the mean you add them all together and divide by the number of numbers there is so 11+15+19+17+23+20+17+18+21=174 and there are 10 numbers so it would be 174/10 which is 17.4 so you answer is 17.4
