Question: Please answer clearly and in detail 5. Points=4 Prove that the product of two rational numbers is rational. 6. Points=2 Describe an algorithm to find

Please answer clearly and in detail

5. Points=4 Prove that the product of two rational numbers is rational. 6. Points=2 Describe an algorithm to find the longest word in an English sentence (where a sentence is a sequence of symbols, either a letter or a blank, which can then be broken into alternating words and blanks)

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