Question

Can someone help me on 27,29,31 & 43 & 45 please

Answer 1

27. Natural number

29. Rational number

31. Rational number

43.

`( - 60)/(11) < - 3 < √(11) < 5.5 < √(31)`

45.

`√(7) < √(8) < 2.9 < 3 < (10)/(3)`