Due to the variables that each inquiry has, Scientific inquiry follows a path of questioning and testing a hypothesis, however this changes in response to specific details.
Atomic mass of helium is 4.002642g/mol
(542000g)/(4.002642g/mol)*6.02*10^23 = 8.15*10^28 atoms
Answer:0.5 m/s
Explanation: Divide D: distance To L: line 3.5 divided by 1.75 gives you 0.5 m/s
distance/time