Posted by Olivia on Tuesday, March 8, 2011 at 6:54pm.
Looks like 200 million to me.
Related Questions
math - there are two 2's in 299,792,458.name the place value of each 2....
Physics - Find the speed of light in flint glass if the index of refraction is n...
physics.... - Cherenkov radiation is light emitted by a particle moving through ...
Significant Figures - I'm having a hard time with significant figures. Any ...
physics - To the nearest order of magnitude, how many times greater than the ...
waves and optics - Cherenkov radiation is light emitted by a particle moving ...
Physics - If the speed of light through material Z is 2.5×10^8 m/s, what ...
physics - If the speed of light through material Z is 2.5×108 m/s, what is...
physics - we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 ...
physics - we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 ...
For Further Reading