#### Answer

$10.129$

#### Work Step by Step

Add the numbers vertically. Make sure that the decimals are aligned according to place value:
\begin{array}{cc}
\\&&4.206
\\&+&0.023
\\&&\underline{5.900}
\\&&10.129 \space \space\text{}
\end{array}

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

$10.129$

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