document.write( "Question 1190232: I was solving 10x^2-16=0 using the quadratic formula.\r
\n" ); document.write( "\n" ); document.write( "I got x=1.247219129 and x=-1.247219129\r
\n" ); document.write( "\n" ); document.write( "How many decimal places do I need to use for my answer?
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Algebra.Com's Answer #821839 by math_tutor2020(3816)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Those values you got are a bit incorrect.\r
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\n" ); document.write( "\n" ); document.write( "My calculator is showing
\n" ); document.write( "x = -1.264911064067 and x = 1.264911064067
\n" ); document.write( "both of which are approximate of course\r
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\n" ); document.write( "\n" ); document.write( "The rounding precision is entirely arbitrary and up to your teacher to decide.
\n" ); document.write( "Unfortunately I'm not sure what your teacher wants, so you'll have to ask him/her.
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