Nursing Entrance Exam

Nursing Preparation Study Guide The easiest way to convert units in the metric system is just by moving the decimal place. Notice 3 km is the same as 3.0 km. If we look back at the metric prefix chart above we see that cm is 5 units to the right of km. So, we could just move the decimal 5 places to the right.

. If there are no “zeros” in the slots you can add them in. Now instead of 3.0 km we see 300000.0 cm If you are moving from a smaller unit to a larger unit the move the decimal to the left, for example, Hg is 5 units to the left of mg. So to convert 25 mg (or 25.0 mg) we move to the decimal to the left 5 units. Again if there are no “zeros” in the slots you can add them in. Now instead of 25 mg we have 0.00025 mg. 5.2. Formula #1 – Algebra When it comes to determining the amount of a medicine to give we can use the following formula: × =

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