Sciencemadness Discussion Board

significant figure question

ryneclipses - 23-8-2013 at 06:26

i have tried to answer this simple question on a homework assignment and the website is telling me its wrong! Please help.
"determine the result to the correct number of significant figures" 12.1 + 23.1 + 127.01

my answer is 162, how is this wrong?

ryneclipses - 23-8-2013 at 06:43

nevermind I get it, stupid me