In this video, Mr. Krug shows students how to make calculations in science, while expressing the answer with an appropriate level of precision. In the first part of the video, he works problems involving addition and subtraction and expresses the answer with the correct number of decimal places. In the second part of the video, he works problems involving multiplication and division and expresses the answer with the correct number of significant figures. Finally, he shows how a problem can be worked where both addition and multiplication are required.
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