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Asked Dec 4, 2019
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Express each result to the proper number of significant figures 

  1. 8.13 x 102+8.13 x 103
  2. 1.784 x 104-3.6738 x 103
  3. 5.4989 x 10-3-1.5300 x 10-2
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Significant Figures are ued to express the degree accivacy of al ans ner. The answer has to represented by the least number of significant figures.

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(1) is Bi13X10*+ 8 13x103. The giron problem 2. 8-13X 10°x 10 + 8'13 X10 8:13 X10+ 8'13110 lo fighnl) lrighntes O. 813 X 10° + 8·13 X10 = 8.94 x lo

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(2) The given prodem is 1.784 X 10T- 36738X16 4' 1.784X10' - ° = 1•784X lo" x10 - (gmifcant 3.6738 X10 3.6738X10 (4significaut Brura) 10 tigdred) 3.6738 X 1o 17:84 X 10 14:17 X 103 = l,419 X 104

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