Question

{-10,0,28/7,102.9}
Which number system BEST describes this set?

integers
natural numbers
rational numbers
irrational numbers

Answer 1

The given set is \{-10, 0, 28/7, 102.9\}.

1. **-10** is an integer.
2. **0** is an integer.
3. **28/7** simplifies to **4**, which is also an integer.
4. **102.9** is a rational number because it can be expressed as the fraction 1029/10.

All of the numbers in the set are rational, as they can be expressed as a fraction of integers.

Therefore, the best description for this set is **rational numbers**.