Answer:
1) Irrational
2) Rational
3) Irrational
4) Rational
5) Rational
Explanation:
A rational number is one that can be expressed as a ratio of 2 integers while an irrational number is one that can not be expressed like that. Another difference is that rational numbers can have finite or recurring decimals while irrational numbers have infinite and non - recurring decimals.
1) -20π is an irrational number because π contains infinite decimal digits
2) -26.23 is a rational number because it can be expressed as a ratio of 2 integers
3) -2√3 is an irrational number because √3 contains infinite decimal digits
4) -√1 is a rational number because √1 is a perfect square root and as such it can be expressed as a ratio of 2 integers.
5) 95.60 is a rational number because it can be expressed as a ratio of 2 integers