Answer:
-150
Step-by-step explanation:
Multiply & Divide left to right

Once again Multiply & Divide

Add & Subtract
Final Answer: 
8/0.61=13.114… then round if needed
-z³ + 5k^6 + z³ -10k^6
(-z³ cancels out with z³)
5k^6 -10k^6
(then subtract)
Answer is -5k^6
Answer:
32.666666666667
http://www.alcula.com/calculators/statistics/mean-absolute-deviation/
Insert data and it will calculate the (MAD).