Final answer:
To convert 1598 to a mixed number, divide it by 100 to get 15 98/100, which simplifies to 15 49/50.
Step-by-step explanation:
The question appears to be asking how to write the number "15 98" as a mixed number. However, there seems to be a misunderstanding as the number appears to be non-standard. If the intention was to write the improper fraction 1598 as a mixed number, it would proceed by dividing 1598 by 100 (since the largest place value mentioned in the examples is hundredths) to express it in the form of a whole number and a fraction. The number 1598 can be divided into 15 whole parts and 98 hundredths, which can be written as 15 98/100. Simplifying the fractional part, by dividing both numerator and denominator by 2, gives us 49/50. Therefore, the mixed number is 15 49/50.