The answer is z is about equal to 380.4
Here is my math
952/3=317*2=643/100=6.43*40=253.6
643-253.6=380.4
It looks like he used the distributive property. He multiplied 7*2. Then. 7*6. Then he multiplied them together. That is not how you multiply numbers
Answer:729
Step-by-step explanation:
81^3/2
(3^4)^3/2
3^6
729
Answer:

Step-by-step explanation:


Answer:
13.48
Step-by-step explanation:
you have to use cah in sohcahtoa
15cos(26)=13.48 to the nearest 10th