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Mathematics 17 Online
OpenStudy (anonymous):

Need to solve: (Algebra) (2.5 x 105)2

OpenStudy (anonymous):

525

OpenStudy (anonymous):

you can just use a calculator :p

OpenStudy (anonymous):

I need to figure out the steps e.g. rules for exponents

OpenStudy (anonymous):

I use the nuemonic device: "Please Excuse My Dear Aunt Sally to remember the order of operations". Parenthesis, exponents, multiplication, division, addition, subtraction

OpenStudy (anonymous):

so first do whats is the parenthesis (262.5)2 and then mulitply the 2 and you get 525

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