Suppose we are working in a 13-based number system (we can call it the tredecimal system) which uses the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c. Convert the numbers 9613 and ac2213 to decimal. Convert 2199 to tredecimal. Can you write 10,000,001 in Egyptian hieroglyphics? In Babylonian cuneiform? Explain why you cannot, or write it if you can. 83 Write the fraction 240 as a sum of unit fractions using the Egyptian method. Write the number 3,784.25 using the Babylonian system. Use our numerals separated by commas and a semicolon for the sexagesimal point. Alternatively, you can write the number in cuneiform