91Ó°ÊÓ

Describe how to subtract two numbers in a base other than ten. How do you subtract a larger number from a smaller number in the same column?

Performing the following addition problem reminds me of adding in base sixty. 4 hours, 26 minutes, 57 seconds \(+3\) hours, 46 minutes, 39 seconds

Performing the following subtraction problem reminds me of subtracting in base sixty. 8 hours, 45 minutes, 28 seconds \(-2\) hours, 47 minutes, 53 seconds

Express each expanded form as a Hindu-Arabic numeral. \(\left(7 \times 10^{-1}\right)+\left(2 \times 10^{-4}\right)+\left(3 \times 10^{-6}\right)\)

Look at the back of a U.S. one dollar bill. What date is written in Roman numerals along the base of the pyramid with an eye? What is this date's significance?

Explain how to determine the place values for a four-digit numeral in base six.

If you are interpreting a Roman numeral, when do you add values and when do you subtract them? Give an example to illustrate each case.

Describe one disadvantage of the Ionic Greek numeration system.

Determine whether each statement makes sense or does not make sense, and explain your reasoning. Because the binary system has only two available digit symbols, representing numbers in binary form requires more digits than in any other base.

What is the base in our Hindu-Arabic numeration system? What are the digits in the system?