Khan/khan-exercises — Issue #6428: Significant figures 1 - The math is not the useful to human society
Author: KhanBugz
Created: 2011-11-16 03:42:20+00:00
State: open
Labels: firefox, hard, leopard

In my years as a engineering major, there has never been a single time finding the number of significant figures has been mentioned. I highly suggest that this exercise be removed.

[significant_figures_1.html?seed=147&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/significant_figures_1.html?seed=147&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/significant_figures_1.html?seed=147&problem=0&debug&activity=%5B%5D)

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