There are 41.646600000013 grams of barium chloride in 0.200 moles
Try to start by reading the manual it came with. If it didn't come with a manual, then your teacher in school will teach you how to use it for specific commands. Otherwise it's just like using a regular calculator but with the ability to do more things, what do you need to know on it?
My answer to this question C
Your answer is C, not B.
-3x + 4 + 2x -2 combined like terms.
-1x + 2
-x - 2. Simple Math.
Are you graphing or trying to find the answer