26.2/3.4 would be the average velocity for the run.
7.7 miles/hr
Hubble time in cosmology means the estimated age of the universe and the best calculation for it is T=1/H, where H is the Hubble constant
Answer:
A
Explanation:
if he goes to the west, the east is opposite so 100-30
You look up the element in the periodic table. Subtract the atomic number (small number) from the mass number (big number). The answer is the number of neutrons.
