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Mathematics 6 Online
OpenStudy (anonymous):

6 + 3 x 42 – 7 what are these steps?

OpenStudy (anonymous):

is that an x or a times sign?

OpenStudy (anonymous):

6 plus 3 times 4^2 - 7

OpenStudy (anonymous):

Its an X sorry..

OpenStudy (anonymous):

ok, can your rephrase this entire problem then?

OpenStudy (anonymous):

Here we need to think about the order of operations. You've likely seen this, but PEMDAS is a useful acronym. Parentheses, Exponents, Multiplication/Division, and then Addition/Subtraction

OpenStudy (anonymous):

Its a times sign not an ex..

OpenStudy (anonymous):

but jb, make sure that when you advance to a higher level, you dont have to use pemdas. its something you just need to know, the way you know how to breathe

OpenStudy (anonymous):

so we'll calculate 4^2 first: 16 Multiply 16 by 3: 48 add 6: 54 Subtract 7: 47

OpenStudy (anonymous):

very true mathfreak. It is something that you should practice until it seems intuitive

OpenStudy (anonymous):

I figured it out.. Thanks so much!!

OpenStudy (anonymous):

no problem

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