Final answer:
You cannot count to the highest number in pi as it is an irrational number with an infinite number of decimal places.
Step-by-step explanation:
Pi is an irrational number, meaning it cannot be expressed as a simple fraction and its decimal representation is infinite and non-repeating. Since pi has an infinite number of decimal places, you cannot technically count to the 'highest' number in pi because there is no end.
However, when working with pi in practical applications like geometry or trigonometry, we often use a finite approximation like 3.14 or a fraction like 22/7 that is close enough for our calculations. The true value of pi continues beyond these approximations ad infinitum.