Problem 5.22 If the cornerstone represents when a building was built and it reads MCMXXII, when was this building built?

Problem 5.22 If the cornerstone represents when a building was built and it reads MCMXXII, when was this building built? Problem 5.24 Convert the Roman numeral DCCCXXIV to Babylonian numeral. Problem 5.25 Write the following numbers in the given system. Problem 5.26 Represent the number 246 in the Mayan, Babylonian, and Egyptian numeration systems. (a) In which system is the greatest number of symbols required? (b) In which system is the smallest number of symbols required? Problem 5.27 Some children go through reversal stage; that is they confuse 13 and 31, 27 and 72, 59 and 95. What numerals would give Roman children similar diculties? How about Egyptian children? Problem 5.28 After the credits of a lm roll by, the Roman numeral MCMLXXXIX appears, representing the year in which the lm was made. Express the year in our numeration system. Problem 5.29 True of false?