Answer:
3.84x10^14Hz
Step-by-step explanation:
From the question, the following were obtained:
Velocity = 3x10^8m/s
Wavelength = 7.80x10^-7
Frequency =?
Frequency = Velocity /wavelength
Frequency = 3x10^8/7.80x10^-7
Frequency = 3.84x10^14Hz
Answer:
a) 12 people --> weight (3) so each figure represents 4 people
b) 15×4= 60 total people
Answer: more information
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
4*10=40
40-36=4
hope this helps :)
