Orders of magnitude

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When people want to think about the general size of things but not worry about the exact number, they tend to think in terms of "orders of magnitude". This allows us to analyze and make comparisons between numbers very quickly, which allows us to make decisions about them quickly as well. Common Core Standard: 8.EE.A.3

Approximating with orders of magnitude

Compare two real-world quantities by approximating them with powers of ten.