What is the Roman numeral for 500?

What Greek letter is used to signify summation?

In the hexadecimal system, what number comes after 9?

What is the area of a circle with a diameter of 20 inches if π= 3.1415?

What is the symbol for Displacement?

What are the first 6 digits of the number "Pi"?

What is the approximate value of mathematical constant e?

What is the plane curve proposed by Descartes to challenge Fermat's extremum-finding techniques called?

What is the correct order of operations for solving equations?

How is the number 9 represented as a binary number?