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Is it possible to have ?  If so, how would it be written in base ten?  If not, how should it be written in base two?

Convert the numeral to our number system.  MCMLXVII

Convert the number 703 to base five. 

Let .  How many subsets of the set P can be made?

Is there a maximum limit on the number of elements that set Q can have?

Write a statement that represents the relationship between the following: and . 

Write the following as a base-ten numeral:

The sum of the digits of a 3-digit number is 18. The units digit is one less than the tens digit and the tens digit is one less than the hundreds.  What is the number?

Decide whether or not the set is closed under multiplication: {0, 1}

Determine what is wrong with the following calculation.