QUESTION $4$

Using a value of $55k\frac{m}{s}\frac{?}{Mpc},$ and a galaxy whose velocity of $41,250k\frac{m}{s},$ find the age of the Universe, as we defined it in the lab, in billions of seconds.

$[$If you express your value in scientific notation, write $5\mathrm{.}67{10}^8$ as $5\mathrm{.}67E8,$ &etc. the capital $E$ is important$]$

QUESTION $5$

From your answer in the previous problem, compute the age of the Universe in units of billions of years.

$[$If you express your value in scientific notation, write $5\mathrm{.}67{10}^8$ as $5\mathrm{.}67E8,$ &etc. the capital E is important$]$