Question

Jake noted that speed of light is approximately 1.1 x 10^9 km/h; the speed of sound is approximately 1.2 x 103 km/h; and 11 + 12 = 0.916. Using Jake's figures how many times faster is light than speed? Write your answer in standard form.

Answer 1

Answer:

$= { \rm{ \frac{1.1 \times {10}^{9} }{1.2 \times {10}^{3} } }} \\ \\ = 9.2 \times {10}^{5} \: times$