Discusses the importance of number systems, tracing their origins from early human counting methods using fingers to modern numeral systems. It explains the decimal system, place value, and how ...

Place value helps us work out the value of a digit depending on its place or position in a number. Now let's speed things up and see what happens when we get to 99. We've run out of numbers again.

If X represents the number of times the coin comes up heads, then X is a discrete random variable that can only have the values 0, 1, 2, or 3 from no heads in three successive coin tosses to all ...