Once you can assign sig figs, you must learn how to harness their raw power through the magic of sig fig math! The rule for multiplication and division is actually easier than the rule for addition and subtraction, for multiplication and division all you have to do is make sure your answer has the same number of significant digits that the number with the least amount of significant digits has.

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First Week Of Chemistry Crash Course:
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I'm Robin Reaction!
My goal is to help you understand chemistry by breaking down difficult concepts into pieces you can understand. I've taught thousands of students and no matter how much you're struggling, I promise you can learn this stuff if you dedicate yourself to learning it and get help from the right people!