1×10-7 moles per liter, good luck
Answer:
Explanation:
What is the radius or diameter? I can't help you without that.
Agreed, just a liiiiiittle too sus but hey, we all have our own levels XD
the answer is D.
In only polling people in Arizona, you aren't taking a representative sample of the total population. You want to represent all *U.S.* adults.
What if people from Arizona spend proportionally more (or less) than the rest of the nation?