(13 - 11 + 9)

Asked by AnneS2 12 years ago 5/4/2013 5:41 AM

Last updated by anonymous 12 years ago 5/5/2013 11:43 AM

Answered by CherieS 12 years ago 5/5/2013 11:43 AM

PEMDAS

(), exponents, multiplication, division, addition, subtraction

() first

(13 - 11 + 9) -addition

=(13-20)

Subtraction

=-7