A laser used in eye surgery to fuse detached retinas produces radiation with a wavelength of 6.4 x 10^-7 m. What is the frequency of the laser? Speed of light = 3.00 x 10^8 m/s

(Hint: Remember to round your answer to the lowest number of significant figures.)

(Speed of light) / (Wavelength) = Frequency

show steps please.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided