3. Perform the following calculation and report the answer to the proper numbers of significant figures. _a.) 14.5 + 0.023 _b.) 13.265 - 2.065 _c.) (5.5 x 10-6)2 _d.) (7.613 х 108) (1.0132 х 10-2) e.) (1.552 х 10-2), (1.6 х 103)

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