Quiz2, Chem. 10, Chapter 3

Answer the questions below and then click "submit" to send your answers.

  1. What is the scientific notation of 1034.56?

    2. Your answer:
    1.03456
    1.03456 * 10exp2
    103456
    1.03456 * 10 exp3

  2. What is the scientific notation of 0.000987?

    3. Your answer:
    9.87 * 10exp-3
    9.87 * 10exp-4
    9.87 * 10exp-9
    0.000987

  3. What is the standard notation of 2.4 * 10exp5?

    4. Your answer:
    none of the above
    2400000
    240000
    240

  4. How amny significant figures are in 7.8901?

    5. Your answer:
    1
    3
    5
    2

  5. Round off 23.8934 to 3 significant figures.

    6. Your answer:
    23.89
    24.
    23.9
    24.01

  6. What is the answer for *(4.5 * 10exp6)* (2.367 * 10exp-3)?

    7. Your answer:
    none of the above
    1.1 * 10exp4
    1.11 * 10exp5
    1.06 * 10exp7

  7. What is the answer for 67.89 * 1234.7?

    8. Your answer:
    none of the above
    8.382* 10exp4
    8.4 * 10exp4
    8.38 * 10exp6

  8. Convert 56.7 m to dm. 1 dm = 10exp-1 m.

    9. Your answer:
    none of the above
    5670 dm
    567 dm
    5.67 dm

  9. The volume of a glass of water is 34.5 ml., what is this volum in dl? 1 L. = 1000 ml., 1 dl = 10exp-1 L.

    10. Your answer:
    34.5 dl
    none of the above
    0.345 dl
    3.45 dl

  10. The weight of a patient is 123.4 lbs., what is this mass in kg? 1 lb = 453.6 g, 1 kg = 1000 g

    11. Your answer:
    55.97 * 10exp3 kg
    78.99 kg
    55.97 kg
    none of the above

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