math experts · PACKERSHOME

wpr
Preferred Member Topic Starter

13 years ago

I am having a discussion with my wife's cousin and am interested in other opinions.

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Rockmolder
Honored Member

13 years ago

6.

(2 + 2) * 2 = 8.

Zero2Cool
Elite Member

13 years ago

2 + (2 X 2) = 6

Wade
Veteran Member

13 years ago

Mark it zero for failure to be clear, and punctuational discrimination against parentheses.

I think the rule is do the multiplication first, but the last time this came up for me was, er, like 9th grade. So who knows.

And do not be conformed to this world, but be transformed by the renewing of your mind, that you may prove what is that good and acceptable and perfect will of God.
Romans 12:2 (NKJV)

wpr
Preferred Member Topic Starter

13 years ago

"Wade" wrote:

This is how it was given to me. Sans punctuations so you have to deal with it too.

GermanGilbert
Member

13 years ago

6 and nothing else 😉 multiplication/division first, addition/subtraction afterwards.

blank

vikesrule
Registered

13 years ago

6 and nothing else 😉 multiplication/division first, addition/subtraction afterwards.

"GermanGilbert" wrote:

Our German cheesehead is correct

PEMDAS

PEMDAS

It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".

This tells you the ranks of the operations: Parentheses outrank exponents, which outrank multiplication and division (but multiplication and division are at the same rank), and these two outrank addition and subtraction (which are together on the bottom rank).

When you have a bunch of operations of the same rank, you just operate from left to right. For instance, 15 3 4 is not 15 12, but is rather 5 4, because, going from left to right, you get to the division first.

If you're not sure of this, test it in your calculator, which has been programmed with the Order of Operations hierarchy......

Wade
Veteran Member

13 years ago

"wpr" wrote:

This is how it was given to me. Sans punctuations so you have to deal with it too.

"Wade" wrote:

KIds these days. What's the world coming to. Oops, forgot, you're a geezer like me, aren't you?

By the way, I forwarded the question to the members of my department...I'll let you know what the answer(s) they give are. 🙂

And do not be conformed to this world, but be transformed by the renewing of your mind, that you may prove what is that good and acceptable and perfect will of God.
Romans 12:2 (NKJV)

vikesrule
Registered

13 years ago

..By the way, I forwarded the question to the members of my department...I'll let you know what the answer(s) they give are. :)

"Wade" wrote:

That is some funny stuff right there Wade.....economics geeks and real math.
Bwaahaaaa :onfloor:

Wade
Veteran Member

13 years ago

#10

6 and nothing else 😉 multiplication/division first, addition/subtraction afterwards.

"vikesrule" wrote:

Our German cheesehead is correct

PEMDAS

"GermanGilbert" wrote:

And VR wins the today's Pedant's Cup.

:)

And do not be conformed to this world, but be transformed by the renewing of your mind, that you may prove what is that good and acceptable and perfect will of God.
Romans 12:2 (NKJV)

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