In Exercises 47 to 54,perform the indicated operation and write the answer in scientific notation. 47.(3x102 )(9×10) si (3.2x10")(2.7×10") (1.2×10) 51.

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A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

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A: Average formula for group data Average = A + ∑fd / n.h

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A: This question is related to set theory.

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