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1.3 1.4 problems

1.3 1.4 problems - 37 What is 0.000000027 expressed in...

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37. What is 0.000000027 expressed in scientific notation? A) 2.7 × 10 8 B) 2.7 x 10 –7 C) 27 x 10 –9 D) 2.7 x 10 –8 38. What is 356 expressed in scientific notation?
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39. What is 1.52 x 10 –2 expressed as a decimal? 40. What is 7.78 x 10 –8 ? 41. For which of the following calculations is 9.9 × 10 10 the correct answer?
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42. For which of the following calculations is 1.14 × 10 10 the correct answer?
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43. What is the correct number of significant figures in each of the following? 44. How many significant figures are there in 0.006 L? A) 1 B) 2 C) 3 D) 4
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45. How many significant figures are there in 605.5 cm 2 ? 46. What is 5.6792 m + 0.6 m + 4.33 m expressed in the correct units with the correct number of significant figures?
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