Chapter 0, Problem 6POT

To determine

The simplified value of the expression $31-42.9$ .

Answer to Problem 6POT

The simplified value of the expression $31-42.9$ is $-11.9$ .

Explanation of Solution

Given information:

The expression $31-42.9$ .

Formula used:

When a bigger number is subtracted from a smaller one result is negative real number.

When a small number is subtracted from a bigger one result is positive real number.

Calculation:

Consider the expression $31-42.9$ .

Recall that when a bigger number is subtracted from a smaller one result is negative real number

Simplify it,

  $31-42.9=-11.9$

Thus, the simplified value of the expression $31-42.9$ is $-11.9$ .