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Mathematics, 17.10.2021 20:30 uhhhhhidk

Which of the following results in a sum or product that is rational? choose all that apply. _
a. 3.12 · 1.4
b. \sqrt{9} ·\sqrt{25}
c. \sqrt{2} ·\sqrt{3}
d. 4 + 5
e. π · 3

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Which of the following results in a sum or product that is rational? choose all that apply. _
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