Here you can drill regarding significant figures. When you hit "New Number", a number will appear in the left cell. Enter the number of signifcant figures in the right cell and press "Check Answer". The results appear in the second table.
science.widener.edu/svb/tutorial/sigfigures.html
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Significant Digit Assist
Round data to significant digits in Microsoft Excel
www.add-ins.com/significant-digit
The number of significant digits in an answer to a calculation will depend on the number of significant digits in the given data, as discussed in the rules below. Approximate calculations (order-of-magnitude estimates) always result in answers with only one or two significant digits.
www.physics.uoguelph.ca/tutorials/sig_fig/SIG_dig.htm
Significant Digits or Figures ... Table 1.1 Examples of Significant Digits ... Significant digits, which are also called significant figures, are very important in Chemistry. Each recorded measurement has a certain number of significant digits. Calculations done on these measurements must follow the rules for...
www.fordhamprep.org/gcurran/sho/sho/lessons/lesson23.ht... www.fordhamprep.org/gcurran/sho/sho/lessons/lesson23.htm
/Explains how to round to a given number of 'significant digits'. ... Another consideration in rounding is when you have to round to "an appropriate number of significant digits". What are significant digits? Well, they're sort of the "interesting" or "important" digits. For example,
www.purplemath.com/modules/rounding2.htm
Significant figures - Wikipedia, the free encyclopedia
The significant figures (also called significant digits and abbreviated sig figs , sign.figs or sig digs ) of a number are those digits that carry meaning contributing to its pre...
en.wikipedia.org/wiki/Significant_figures
Here is a little game with significant figures. There are 12 different numbers for which you have to determine the number of significant figures. Try to keep the number of wrong tries to a minimum!
www.lon-capa.org/~mmp/applist/sigfig/sig.htm
Look for the first non-zero digit--it and all digits to its right are significant. ... Operations with Significant Digits ... Significant Digits and When Zero is Significant...
www.files.chem.vt.edu/RVGS/ACT/notes/Sig._Digs.html
1. Correctly rounded, the result (23.1000 g - 22.0000 g) / (25.10 mL - 25.00 mL) is ... 11.000 g/mL 11 g/mL 11.0 g/mL 11.00 g/mL ... 2. The number of significant digits in 200.000 is...
antoine.frostburg.edu/chem/senese/101/measurement/sigfi... antoine.frostburg.edu/chem/senese/101/measurement/sigfig-quiz.shtml
In the example above, notice that the measurement was recorded as 25.45 cm - not 25.4 cm, or 25.5 cm, or 25.52 cm. The number of digits that you write down for a measurement is called the number of significant digits (or significant figures) in the measurement.
www.batesville.k12.in.us/Physics/APPhyNet/Measurement/S... www.batesville.k12.in.us/Physics/APPhyNet/Measurement/Significant_Digits.html
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Digits at Amazon
Save on Digits Free 2-Day Shipping w/Amazon Prime!
Amazon.com/Toys
Significant Digit Assist
Round data to significant digits in Microsoft Excel
www.add-ins.com/significant-digit