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Chemistry, 31.08.2020 18:01 vbodbodlhviprw2954
The Gateway Arch in St. Louis, MO is approximately 630 ft tall. How many U. S. half dollars would be in a stack of the same height? Each half dollar is 2.15 mm thick.
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The Gateway Arch in St. Louis, MO is approximately 630 ft tall. How many U. S. half dollars would be...
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