Khan/khan-exercises — Issue #6667: Significant figures 1 - 00.8400 significant digits = 4 (???!!!)
Author: KhanBugz
Created: 2011-11-19 00:01:33+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: hdecreis@gmail.com

hints:
- "Since there is a decimal, trailing zeros are significant" ???
- correct answer seems to be 4 significant figures in 00.8400 ?

unless my french prevents me to understand "figures" correctly, it seems quite wrong to me ?

[significant_figures_1.html?seed=66&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/significant_figures_1.html?seed=66&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/significant_figures_1.html?seed=66&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%223%5C%22%22%2C10%5D%2C%5B%22incorrect-activity%22%2C%22%5C%222%5C%22%22%2C1%5D%2C%5B%22correct-activity%22%2C%22%5C%224%5C%22%22%2C9%5D%5D)

["3","2","4"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.120 Safari/535.2

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