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What are the steps of using a ruler?
first line it up
How to find a measure in each angle?
by using a ruler
How do you get -4 using subtraction?
the answer is unknown error
Describe how to find the percent error in a calculation?
Percent error is typically used to describe the difference between an expected value and an observed value (measured in an experiment). To calculate percent error, you must know the expected (or theoretical) value, determined from reference manuals and formulas. Percent error = [(actual measured value)/(expected value) - 1] x 100% Let's say that you do a chemistry experiment, where you expect to use 30 mL of a hydrochloric acid solution to neutralize a prepared solution of sodium hydroxide. When you perform the experiment, you actually use 30.2 mL of hydrochloric acid solution. Percent error = [(30.2 mL) / (30 mL) - 1] x 100% = 0.667 % error
How do you find the depth in centimeters?
Measure the depth using a metric ruler!
