Question

simplify.
-6.8 + 2.4 = -6 + (-0.8) + 2 + 0.4 \t\t\tbreak apart the addends.
\t\t= -4 + (-0.8) + 0.4 \t\t\t\tadd the integer parts.
\t\t= -4 + (-0.4) \t\t\t\t\tadd the decimal parts.
\t\t= box \t\t\t\t\t\tsimplify.

Explanation:

Step1: Identify the last expression

We have \(-4 + (-0.4)\).

Step2: Add the numbers

Adding a negative number is like subtracting its positive counterpart. So, \(-4 + (-0.4)=-4 - 0.4\).
Calculating \(-4-0.4\), we get \(-4.4\).

Answer:

\(-4.4\)