Determine the size of the sample space for the experiment described.A box contains 3 blue cards numbered 1 through 3, and 4 green cards numbered 1 through 4. State the number of elements in the sample space of picking a blue card followed by a green card.
A. n(S) = 7
B. n(S) = 144
C. n(S) = 9
D. n(S) = 12
Answer: D
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A. 19.3 hr B. 40 hr C. 49 hr D. 6.3 hr
Multiply.(8 - 5i)2
A. 89 + 80i B. 39 - 80i C. 39 + 80i D. 89 - 80i
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