SQUARE &
SUBSTITUTE

  1. Use Algebra 101 rules to rearrange the equation.

    Rearrange A2
  2. Our next step is to square both sides to delete the radical.

    Square both sides
  3. Next, we substitute the numbers we know, or think we know, into the equation. Use 1.37e10 if you believe God created the entire universe in 6 days. Use 4.57e09 if you believe God's 6 day labor refers only to the Earth. If you think your results will be more accurate, use 365.2425 as the length of the average year. Plug these numbers into the calculator and reduce the known side to one number.

    Substitute Constants