Quote:
Originally Posted by moeloubani
The answer to math questions doesn't change over time.
The answer could have been from 1903 and it wouldn't have made a difference.
Read what the MATH PHD says: you go from left to right if there are no brackets.
Therefore 288 is the answer.
Yes the math phd does credit the other way of doing things, the first thing he/she says is that the way I showed above is the right way.
You also can drop parenthesis willy nilly when they don't mean anything. You can also add them. (48) ÷ (2)((9)+(3)) is the same question as above.
Adding brackets around a number doesn't change the number.
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Educational standards are improved, updated and modified continuously to eliminate ambiguities and this situation is one of them.
You quoted a standard that a math phd in 1999 said specifically that some texts at that time supported.
This is 2011 and present texts and science manuals support the implied mathematical standard. You googled an outdated standard that a phd supported over a decade ago.
And your assertion is incorrect. You cannot drop parenthesis willy nilly in an equation because they were put there for a reason. The implied multiplication standard states specifically that the reason why the numerical value on the outside of the parenthesis is put next to the valued equation in parenthesis is that the outcome of that equation is exactly what needs to be multiplied by the numerical value on the outside of the parenthesis to produce the correct result.
This is a simple explanation that has been complicated by those who choose to ignore what the implied multiplication standard clearly represents.