Answer:
wider and opens downward
Step-by-step explanation:
Answer:
3/4
Step-by-step explanation:
"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) .
This is correct he is not wrong the answer is A.