For the final sum of 54436 45564 the number of significant figures is A 6 B 5 C

For the final sum of 54436 45564 the number of

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19) For the final sumof 544.36 + 455.64, the number of significant figures is ________. A) 6B) 5C) 4D) 2E) 1 20) The correct answer for the operation (5.61 + 7.891 ) / 9.1 is ________. 3
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21) Using the rules of significant figures, calculate the following: 14.8903 - 2.14 = 22) The sum for the operation 1.2315 + 0.116 + 15.10 is ________. 23) Which of the following operations will give an answer of 50.1? A) 29.75 + 20.3B) 58.23 - 8.1C) 26.255 × 1.91D) all of the above 24) Which of the following operations will notgive an answer of 73.3? 25) The correct answer in the operation below is ________.(30.004 cm × 14.01 g) / 6.08 cm2 26) Which of the following is defined as the quantity of matter in a sample that is independent of where it is measured? 4
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27) Which of the following is notan SI unit that is used in chemistry? A) sB) KC) kgD) quart 28) Which is the SI unit for mass? 29) Which is the SI unit for temperature? 30) Which is the SI unit for length? 31) Which is the SI unit for time? A) yearB) dayC) minuteD) second 32) Which is a derived SI unit? 33) Which is not a derived SI unit? 5
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34) The prefix used to indicate 10-12is ________. 35) What is the prefix for the multiplier 1 × 106? A) micro-B) nano-C) mega-D) kilo- 36) What is the prefix for the multiplier 1 × 10-6? 37) 10 millimeters are equal to ________ nanometers. 38) How many kilograms are in 452 mg? 39) 465.000 g is equivalent to ________. A) 0.0465 kgB) 465,000 mgC) 4.65 kg D) 465,000 ng 40) Which of the following numbers expresses the value 2600. calories with both the correct 6
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units and proper scientific notation? 41) In order to convert 121 dm to mm one needs to multiply by ________. 42) Which of the following does notmeasure temperature? 43) 68 °F is equal to ________. A) 37 °CB) 32 °CC) 25 °C D) 20. °C
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