tag:blogger.com,1999:blog-6986082220402081615.post3020402614775667783..comments2023-04-24T08:10:28.755-07:00Comments on Math for Liberal Arts: Order of operations practiceProf. Hubbardhttp://www.blogger.com/profile/16575880031145705761noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6986082220402081615.post-84366444764326723702012-07-02T05:44:36.673-07:002012-07-02T05:44:36.673-07:00a) 2(3² - 5)
Resolve what's in the parentheses...a) 2(3² - 5)<br />Resolve what's in the parentheses before multiplying by 2.<br /><br />2(9 - 5)<br />2(4)<br /><b>Final answer: 8</b><br /><br />b) 2(3 - 5)² <br />Resolve what's in the parentheses before squaring.<br /><br />2(-2)²<br />2(4)<br /><b>Final answer: 8</b><br /><br /><br />c) 2²(3 - 5)<br />Resolve what's in the parentheses before squaring.<br /><br />2²(-2)<br />4(-2)<br /><b>Final answer: -8</b><br /><br />d) 2 × 3² - 5 <br />Square first, multiply second, subtract last.<br /><br />2 × 9 - 5<br />18 - 5<br /><b>Final answer: 13</b><br /><br />e) (2 × 3)² - 5<br />Parentheses first, square second, subtract last.<br /><br />(6)² - 5<br />36 - 5<br /><b>Final answer: 31</b><br /><br />f) 2(3² - 5²)<br />Squares inside parentheses first, subtraction inside parentheses next, multiply by 2 last.<br /><br />2(9 - 25)<br />2(-16)<br /><b>Final answer: -32</b>Prof. Hubbardhttps://www.blogger.com/profile/16575880031145705761noreply@blogger.com