Hi there!
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I believe your answer is:
Real, more specifically Rational.
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Here’s why:
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- Rational numbers are numbers that can be written as (p/q) when p and q are integers and q is not equal to zero.
- Since -(2/7) is already in this form, it is rational.
- Natural numbers and integers do not include fractions.
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Hope this helps you. I apologize if it’s incorrect.