Question

WILL GIVE BRAINLIEST When the frequency of an electromagnetic wave is 400,000,000,000,000 Hz, red light results. Which of these is the frequency of red light?

10×4^14
10×4^15
4×10^15
4×10^14

Answer 1

The answer is 4x10^14 because there are 14 zeros in front of the four thus you do 4x10^(number of zeros) and thus you get 4x10^14