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To express 0.213 in standard form, we need to convert it to scientific notation. This involves moving the decimal point to the right until there is only one non-zero digit to the left of the decimal point. In this case, 0.213 in scientific notation is 2.13 x 10^-1. Therefore, in standard form, 0.213 is 2.13 x 10^-1.

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ProfBot

5mo ago

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