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Mathematics, 13.10.2020 04:01 NeverEndingCycle

Which of the following will result in a rational number? Select all that apply. A. 645+9√4

B. 645−5√7

C. 645×9√4

D. 645÷5√7

help me please

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Which of the following will result in a rational number? Select all that apply. A. 645+9√4
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