Answers should always be presented with the appropriate number of significant digits. For information about significant digits and rounding, please review Section 1. Example 2 - How many pints are in a 5-gallon pail? How many cups are in a 5-gallon pail? Find the appropriate conversion factors in Table 2. Set up the cancellation table so all units will cancel, except the desired unit, pints. There are 40 pints in 5 gallons.
There are 80 cups in 5 gallons. Example 3 - Javier constructed 2, feet of dozer line. How many chains of dozer line did he construct? Find the appropriate conversion factor in Table 2. Set up the cancellation table so all units will cancel, except the desired unit, chains.
Javier constructed 41 chains of dozer line. Step 2. Identify the unit you want. These are the Desired Units. Step 3. Identify appropriate unit conversion factor s.
These are the Linking or Ratio Unit s. Step 4. Cancel units and perform the math calculations e. Repeat the calculation double check. Step 5. Evaluate the result. Does the answer make sense? Many unit conversion problems will require only a single unit conversion factor. However, multiple factors may be required to solve a problem. These figures illustrate both examples. Remember that Step 3, identifying the conversion factor , is often the most challenging step.
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