Khan/khan-exercises — Issue #14381: Significant figures 1 - error in the significant figures
Author: KhanBugz
Created: 2012-02-22 02:54:27+00:00
State: open
Labels: chrome, wrong-or-unclear, xp

Reporter: dhmartin42@gmail.com

It is saying that the significant figures for 0.69383500 is 8 because the first zero doesn't matter and the last 2 do. That is incorrect, the last 2 do not matter. the first however is important because it signifies that the number is a number less than 1.

[significant_figures_1.html?seed=64&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/significant_figures_1.html?seed=64&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/significant_figures_1.html?seed=64&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%227%5C%22%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C20%5D%2C%5B%22hint-activity%22%2C%220%22%2C25%5D%2C%5B%22hint-activity%22%2C%220%22%2C30%5D%2C%5B%22hint-activity%22%2C%220%22%2C35%5D%5D)

["7"]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

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