Round off each of the following answers to the proper number of significant figures. a. 6.0 + 1.01 + 0.904 = 7.914 b. 42. + 0.52 + 0.229 = 42.749 c. 92.01/0.4 = 230.025 d. 4.02 X 21.1 = 84.822

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