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2. Let’s explore how to see if any number is rational. Here’s what we’ll do: If the number is NOT a fraction or a whole number, enter the number into your calculator. DECIMALS: Use the 2nd function (yellow key) to turn on the F D key. (2nd column, 2nd row) MIXED NUMBERS: Use the 2nd function (yellow key) to turn on the A b/c d/e key. ................
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