I would say that the "n"th term of the sequence is 41, as the pattern increases by 10 every term.
I think that inches would be most common for height but centimeters and feet could also be used.
Answer: 4 Ounces.
Step-by-step Explanation: I don't know the full context of the problem, but if Seth used 4 ounces, that means that he used 4 ounces all together.