Amarathon is a race that commemorates the run made by a greek soldier, pheidippides, that took place in august 490 bc. the soldier ran 26.2 mi. how many kilometers did he run?

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!

Helium decays to form lithium. which equation correctly describes this decay?

Afraction can be converted to a decimal by dividing the denominator into the numerator. use a calculator. divide to convert the fractions from part a to decimals. then describe the pattern you see in the decimal.