rational number -- can be written as a fraction
integer -- whole numbers, positive or negative
whole numbers -- positive whole numbers
1. 0.127 is a rational number (b)
2. -34 is a rational number and an integer
3. | -13 | ___ | 19 |.....the absolute value of -13 is 13
so u will need < (less then ) sign because 13 is less then 19
4. E. | 0.74 |, |-10|, |-32|
5. since he is descending, we will use a negative sign.
so ur answer is -57
6. - 9....means ur descending..or going lower
walking down 9 flights of stairs, and temp. drops 9 degrees, and you spend 9 bucks on a book.
