because detergent has to clean dirt outa clothes and tooth pste also can help get stains outa cloths and when you put those two mixtures tofgether it can make the ultimate cleaning mixture
Explanation:
Wavelength = speed of light/frequency
Answer is

Answer:
a. 250kg I think it's the right answer. hope it helps:)
Do you have a picture then I could determine 1 millimeter
Answer:
80m/s
Explanation:
The formula for velocity is [ v = s/t ] where s = displacement and t = time.
= 400/5
= 80m/s
Best of Luck!