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6 Written questions

5 Multiple choice questions

  1. a numerical system in which numbers are expressed in the form A × 10n, where A is a number with a single nonzero digit to the left of the decimal place and n is a whole number
  2. the quantity of heat energy, in calories, necessary to raise the temperature of 1 gram of a substance by 1 degree Celsius
  3. a measure of the force exerted on an object by gravitational forces
  4. the digits in a measurement that are known with certainty plus one digit that is estimated
  5. the process of deleting unwanted (nonsignificant) digits from calculated numbers

5 True/False questions

  1. inexact numbera number whose value has no uncertainty associated with it—that is, it is known exactly

          

  2. exact numbera number whose value has no uncertainty associated with it—that is, it is known exactly

          

  3. massa measure of quantity of matter in an object

          

  4. gram (g)the base unit of length in the metric system

          

  5. densitythe ratio of the mass of an object to the volume occupied by that object

          

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