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- Which numbers are exact (and therefore have an unlimited number of significant figures)?a. p = 3.14b. 12 in = 1 ftc. EPA gas mileage rating of 26 miles per gallond. 1 gross = 144Determine the number of significant figures in each measurement.a. 340,438 g e. 1.040 sb. 87,000 ms f. 0.0483 mc. 4080 kg g. 0.2080 mLd. 961,083,110 m h. 0.0000481 gDetermine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357 2. 5.6786 + 246.346133 + 0.3257413 - 0.9246435
- I. Significant Figures and Conversion A. Scientific Notation 1. 58 cm → km 2. 67 W → MW 3. 196 mL L 4. 17 dm – cm 5. 299 W → TWI. How many significant figures does each number contain? 1 ] 0.00 2] 160 3] 0.00160 4 ] 1,600,000 5] 1.06 II. Round off each number to three significant figures. 1] 25,401 2] 1,248,486 3] 123456 4] 371 5] 0.012695982 III. Write each quantity in scientific notation. 1] 1,234 g 2] 44,000 km 3] 0.000162 m 4] 5,244,000 L 6] 4,440 s III. Convert each number to its standard form. 1] 4 x 10⁸ 2] 3 x 10² 3] 822 x 10⁻⁵ 4] 0.2 x 10¹0 5] 200 x 10⁻⁷55. Round the number on the left to the number of significant figures indicated by the example in the first row. (Use scientific notation as needed to avoid ambiguity.) Rounded to Rounded to Rounded to 4 Significant 2 Significant 1 Significant Figures Number Figures Figure 1.45815 1.458 1.5 8.32466 84.57225 132.5512
- Determine the number of significant figures in each measurement. a. 508.0 L c. 1.0200 × 1 0 5 kgb. 820,400.0 L d. 807,000 kg1.-How many significant figures are in the following numbers? 0.70620 a. b. 5010 4548 C. d. 0.00045050 7.210 x 105 e. 2.-Round up the following numbers to the designated significant figures to 2 significant figure 32445.34 to 1 significant figure 85518 to 4 significant figures 526544 3.-Express each answer in scientific notation and with the proper number of significant figures a. 1,027611 +363.06 = b. 217 903 118.7 2-35.5 C. d. 28 x 47.3= e. (5.2 x 10) x (3.33 x 102) 4.-Convert the following numbers to scientific notation, use prefixes and use only 2 significant figures Example 52,000,000 g 52 X 10 g 52Mg 52 megagrams 0.0000003 g a. b 26198151 L 1546 m C. 5.-What does the slope of each line on the graph tell you? 6.-Which runner finish the race first red, blue or green? TIME (seconds) b) 4x+2-2(x+6) 7.-Solve for X in the following equations: a) 25 554x-4.245 8.-Classify each statement as a law, a theory, an experiment, a hypothesis, an observation Birds evolved from dinosaurs. 1. Hot…Round each number to four significant figures.a. 431,801 kg d. 0.004384010 cmb. 10,235.0 mg e. 0.00078100 mLc. 1.0348 m f. 0.0098641 cg