Question

A photon has a frequency of 7.3 x 10^-17 Hz. Plancks constant is 6.63 c 10^-34 J•s. The energy of the photon is?

Answer 1

If a coin is flipped 10 times…
a. what is the probability of getting 8 or more heads?
b. what is the probability of getting exactly 8 heads in a row?
c. at least 8 heads in a row

Answer 2

the correct answer is 4.8399