Question

Which of these numbers can be classified as both a real number and a rational

1/2
-1.016879413894
square root of 5
0.89089908999

Answer 1

A rational number is a number that has a decimal place that does end:
1/2 = 0.5
√5 = 2.23606...

A real number is a number with a decimal place, so...
1/2 fits both categories

Hope this helps! :)