express a light minute in metres

Dear Student, 
Please find below the solution to the asked query: 
$$\begin{gathered} \mathrm{Light} \mathrm{minute}: \\ \mathrm{It} \mathrm{is} \mathrm{the} \mathrm{distance} \mathrm{travelled} \mathrm{by} \mathrm{light} \mathrm{in} \mathrm{one} \mathrm{minute}. \\ \mathrm{light} \mathrm{minute} = \mathrm{Speed} \mathrm{of} \mathrm{light} * \mathrm{time} \\ =3\times {10}^8 \mathrm{m}/\mathrm{s} * 60 \mathrm{s} \\ \mathbf{=}\mathbf{1}\mathbf{.}\mathbf{8}\mathbf{\times }{\mathbf{10}}^{\mathbf{10}}\mathbf{ }\mathbf{m} \end{gathered}$$
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