Anyone know how to edit the y tick? I want it in decimal form but the output gives tick in scientific notation. Thanks.

\documentclass[margin=5mm]{standalone}
\usepackage{tikz}
\usepackage{pgfplots}
\pgfplotsset{compat=1.13}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
ymin=0,ymax=0.12,
xtick={30,50,100,150,200,250,300},
ytick={0,0.02,0.04,0.06,0.08,0.10,0.12},
legend pos=north east,
x tick label style={rotate=90,anchor=east}
]
\addplot[mark=*,mark options={fill=white}] coordinates {(30,0.018)(50,0.015)(100,0.0205)(150,0.0145)(200,0.016)(250,0.017)(300,0.014)};
\addlegendentry{a}
\addplot[dashed,mark=square*,mark options={solid,fill=white}] coordinates {(30,0.0165)(50,0.031)(100,0.0305)(150,0.0315)(200,0.0365)(250,0.0425)(300,0.043)};
\addlegendentry{b}
\addplot[dashdotted,mark=triangle*,mark options={solid,fill=white}] coordinates {(30,0.025)(50,0.025)(100,0.025)(150,0.025)(200,0.025)(250,0.025)(300,0.025)};
\addlegendentry{c}
\end{axis}
\end{tikzpicture}
\end{document}