Manny tried to evaluate an expression step by step.
$\qquad\begin{align}
&540 \div 6\\\\
\\
=&(54 \div 6) + 10&\greenD{\text{Step } 1}\\\\
\\
=&9 + 10&\blueD{\text{Step } 2}\\\\
\\
=&19&\purpleC{\text{Step } 3} \\\\
\end{align}$
**Find Manny's mistake.**
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