Question

what is speed of light in air?

Answer 1

Speed of light in air is -

3*10^8 m/s

Answer 2

${\sf{\red{ \underline{{\blue{The \: speed \: of \: light \: is \: { \orange{3 \times {10}^{8} } \: \frac{m}{s} \: .}}}}}}}$