4. Simplify each of the following, using scientific notation where appropriate: a. 102x 101 ь. 104х 102 с. 10? х 105 d. 106 x 102 e. 102 + 105 f. 104 +107 g. 106 +102 h. 106 + 10-7 i. (1.4 x10)(3 x10) j (3.5 x10*)(2.0 x10-9 k. (5.0 x105)(4.00 x10-) 5.0 x107 3.0 x10 6.63 x10-34 m. 4.8x10-9 (5.0x106)(7.0 x10-4) n. 2.00 x10 (6.63x10-34)(3.00 x108) 0. 5.98 x109 (360)(5.0x10-4) q. 4.0 x10 (0.534)(6.2x10-3) (6.67x10-11)(5.98 x1024)(50) r. р. 4.0 x10 (7.0x10 )

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.