Question 1 • *V* Algebra 2 S1
The number –2.22 is a terminating decimal, so it can be written as a fraction: –2.22 = –222/100 = –111/50. Therefore, it is rational. Every rational number is also a real number, so the correct sets are rational numbers and real numbers. It is not an integer, whole number, or natural number, and it is not irrational.
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