Suppose I am working on a problem and I wish to calculate the density of something. I measure the mass to be m = 24.5 grams and the volume is V = 10 cm 3. In this case the density would be: ALERT!
Making measurements in physics has restrictions on the accuracy that is possible. Also, sometimes it is more useful to restrict the amount of detail stated in a measurement. The NASA website actually ...
The method of rounding to a significant figure is often used as it can be applied to any kind of number, regardless of how big or small it is. When a newspaper reports a lottery winner has won £3 ...
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