What are some ways you could break apart 7*9 using the distributive property ?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Ineed to know the answer to this algebra question.

Someone me! if you’re smart you can solve this!