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Mathematics 15 Online
OpenStudy (anonymous):

Simplify. –12 – 4.8 ∙ (–2 + –8) A. –168 B. 36 C. 72 D. 168

OpenStudy (x3_drummerchick):

use "please excuse my dear aunt sally" --> parentheses, exponents, multiplication/division, addition/subtraction

OpenStudy (anonymous):

oki

OpenStudy (x3_drummerchick):

1. parentheses: (-2+-8) =-10 2. Multiply: -10 * 4.8= -48 3. -12 -(-48) = 36

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

you are awesome!

OpenStudy (x3_drummerchick):

no worries :)

OpenStudy (anonymous):

what does * mean?

OpenStudy (anonymous):

multiply?

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