(6.234 m) (4.91 x 10^-5 n) in scientific notation

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

The strong nuclear force acts over a small distance than the electrostatic force. true or false

2) why do satelites not fall while revolving around the earth?