Question

What is the absolute value of |-7.8| What is the absolute value of -7.8

Answer 1

They're both exactly 7.8 .

Answer 2

Absolute value means distance from zero on a number line. -7.8 is 7.8 units away from zero on the number line. The absolute value of -7.8 is 7.8. Another way of thinking about absolute value is no matter what number you have inside the absolute value, the result will always be positive. Both of these numbers are 7.8 units away from zero.