Question

find the exact volue of 5 pi divided by 3

Answer 1

\[\frac{5\pi}{3}\]

Answer 2

pi is an irrational number - it cannot be expressed 'exactly'

Therefore any number multiplied by it (e.g.5/3) also cannot be expressed 'exactly'

You can get to whatever precision you choose by selecting as many decimal places of pi as you like - but it will never be 'exact'