Question

what is speed of light in vacuum​

Answer 1

Explanation:

speed of light in vacuum is 3×10^8m/s

hope it helps you

Answer 2

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