Which of these numbers are real numbers and rational numbers:
-2/3; 0.32; 27.38452...; 6.4; the square root of 15
anything expressed as a fraction or a decimal with a repeating group of digits.
Also, sq rts of perfect squares.
-2/3; 0.32; 27.38452...; 6.4; the square root of 15
Also, sq rts of perfect squares.