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Find the greatest possible error and the percent error for each measurement 3cm 6cm 36.85g?
.5cm/.5cm/.005g
What determines how close a measurement is to the true or accepted value?
This value is variable and different for each type of measurement. The error can be absolute or relative. A measurement without any error doesn't exist.
What is the precision and the greatest possible error of 20400L?
The precision of integers with trailing zeros is ambiguous. The precision of 20400 litres can be 1, 10 or 100. Corresponding to these values, the greatest possible errors can be 0.5L, 5L or 50L. Actually, the precision could even be 20400L, in which case the maximum possible error is 10200L. If, for example, you had tanks of 20400L each, you might simply know how many tanks' worth you had - precision to 20400L. Unlikely, though.
Why are several trials taken for each measurement in an experiment?
A good way to reduce error or increase measurement accuracy is to take several measurements and compute their average. In other words, you achieve accuracy through averaging. (This also validates the repeatability of the measurement.)
What is the greatest possible 9 digit number that uses each of the digits 1-3 times?
what is the greets possible 9 digit number that uses each of the digits 1-3 times
