Which number is a whole number?

a) |-18/9|
b) -4/3
c) 1.6
d) -(-7.963)

Also please explain it to me as well. Thank you.

3 answers

Whole numbers are integers... numbers you can count using a series 0,1,2,3 ..., etc.

(b), (c) and (d) are obviously not integers. They are fractions or decimals that cannot be reduced to integers.

|-18/9| is the same thing as +2.
That is certainly an integer.
oh okay thank you!
2012