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 T O P I C    R E V I E W Admin Posted - 06/19/2012 : 21:46:27 What result do you get when you simplify this expression? I get 13, but my son insists it is 4.16-6x22(5-3)Thanks,Gisele 6   L A T E S T    R E P L I E S    (Newest First) Subhotosh Khan Posted - 06/29/2012 : 20:47:44 quote:Originally posted by AdminWhat result do you get when you simplify this expression? I get 13, but my son insists it is 4.16-6x22(5-3)=16-6*22*(2)=16-122*2= 16 - 6 * 2= 4Although multiplication and division has the same rank - it needs to be carried out left-to-right.Thanks,Gisele the_hill1962 Posted - 06/27/2012 : 21:31:48 Ahhhh, aren't calculators nice?It really is too easy mess up and get the "13" result by hand!quote:Originally posted by royhaasSee my response today to the original post. royhaas Posted - 06/27/2012 : 11:33:42 See my response today to the original post. the_hill1962 Posted - 06/26/2012 : 15:33:58 This is one of the reasons why I replied with "duplicate post".It is important that everyone (students and teachers) see all the dialog.Having three different places would make a possibility of someone not seeing Ultraglide's excellent post. royhaas Posted - 06/21/2012 : 09:57:48 quote:Originally posted by the_hill1962Duplicate post:http://www.mathgoodies.com/forums/topic.asp?TOPIC_ID=34383Yes, it's a duplicate, but it touches on an important topic - operator precedence (aka PEMDAS) that many students have trouble with. the_hill1962 Posted - 06/20/2012 : 18:47:04 Duplicate post:http://www.mathgoodies.com/forums/topic.asp?TOPIC_ID=34383

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