Khan/khan-exercises — Issue #11273: Rounding numbers - Decimal points
Author: KhanBugz
Created: 2012-01-15 15:07:25+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: bjarkimag@gmail.com

Who are the target audience? Just USA citizens or the globe?

The symbol used to separate the integer part of a decimal number from its fractional part is called the decimal point. In the United States, the decimal point is denoted with a period (e.g., 3.1415), whereas a raised period is used in Britain (e.g., ), and a decimal comma is used in continental Europe (e.g., 3,1415). The number 3.1415 is voiced "three point one four one five," while in continental Europe, 3,1415 would be voiced "three comma one four one five."

[rounding_numbers.html?seed=124&problem=1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/rounding_numbers.html?seed=124&problem=1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/rounding_numbers.html?seed=124&problem=1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2289%2C9%5C%22%22%2C49%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2221%2C95%5C%22%22%2C3344%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22219500%5C%22%22%2C9%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22219450%5C%22%22%2C39%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22219450%5C%22%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22correct-activity%22%2C%22%5C%2221%2C9%5C%22%22%2C37%5D%5D)

["89,9","21,95","219500","219450","219450","21,9"]

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.75 Safari/535.7

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