Answer:
Following are the solution to this question
Step-by-step explanation:
Please find the complete question in the attached file.
In point a:

In point b:

In point c:
A large sample is a smaller error margin.
The answer is 150in squared.
Because the SA of one side is 5*5 which is 25, and since all of the sides are equal and there are six sides you multiply 25 by 6, which equals 150.
"Two significant figures" means that a digit after the second one could actually be anything ... it wasn't measured. 'X' could be anything from 230 to 239. 'Y' could be anything from 400 to 409.
The greatest possible value of that fraction is. (239)/(409 squared) .
Answer:
Step-by-step explanation:
AB BC AC
(I’m not sure, If Im wrong let me knoww ❤️❤️)