What are Significant Figures? A 5 Minute Introduction
Jun 4, 2019 · Significant figures (commonly called "sig figs") are the number of figures (digits) included when rounding-off a number. The rules about how to round-off are not entirely agreed upon.
How many sig figs do i use when making conversions
Aug 31, 2008 · Homework Statement I have to do a bunch of problems such as converting meter to km and cups to mililiters etc. How do i calculate sig figures for these problems for example i did 12 miles …
Sig figs/certainty in percent error calculation - Physics Forums
Dec 9, 2019 · Hello, all. Quick question about how to apply sig figs in percent error problems. Eg. If the actual/target value is 1.95 g and we measure 1.87 g, then...
Sig Figs: Converting Celsius to Kelvin & Graphing Moles vs Time
Oct 25, 2010 · I want to convert celsius to Kelvin using 273.15. I have a temperature 22.5 C. Then I want to find 1/T. 273.15+22.5 = 295.7 since 22.5 has the least...
Sig Fig & Acids - pH Change & NaOH Effects • Physics Forums
May 18, 2005 · The discussion centers on significant figures (sig figs) in pH calculations and the effects of adding NaOH to an acetic acid solution. When calculating pH from a 0.1 M acid, the answer …
Logarithmic significant figures - Physics Forums
Dec 29, 2014 · In most areas of science, being able to solve and report problems to the correct number of significant figures is necessary; but I'm having trouble finding a complete set of rules for significant …
Why 9.8m/s^2? The Mystery of Gravity's Constant Acceleration Explained
Apr 7, 2004 · Why is acceleration due to gravity always going to be 9.8/s^2?? (in the formula GE=grh) Does it have any thing to do with the prominent gravity pull? Like if you were to calculate the …
Vernier Caliper & Micrometer: Mr.Randall's Sig Fig Advice
Jan 30, 2015 · I asked Mr. Randall about sig figs for this lab, especially on instruments like the vernier caliper and micrometer. This was his answer: "For lengths smaller than 1 cm, you should get at least …
Significant figures for special functions (square roots)
Dec 13, 2020 · The discussion centers on the appropriate number of significant figures (s.f.) to retain when calculating square roots, specifically using the example of , which has 2 s.f. Various sources …
Question about sig figs in buffer problem - Physics Forums
Sep 16, 2011 · I don't understand it either, especially if the question asks for pH 5.22 - that's quite specific (and difficult to prepare in the standard lab, 5.2 looks more reasonable; most pH meters are …