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Do not show work just give answer. Finish quick please: 3. Suppose that a = 4. What is a . a ? a. 4 c.

Do not show work just give answer. Finish quick please:

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3. Suppose that a = 4. What is a . a ? a. 4 c. 2 b. 16 d. More information is required. 4. Given that a = (1, -2, 7) and b = (10, 4, 2), what is a .2b ? a. 16 c. 32 b. 22 d. 44

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