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Chapter 1: Problem 47

Add vertically. SEE EXAMPLE 4. (OBJECTIVE 1 AND 2 ) $$\begin{array}{r}-18 \\\\+\quad-11 \\\\\hline\end{array}$$

Short Answer

Expert verified
-29

Step by step solution

01

Identify the Numbers to Be Added

The numbers to be added are -18 and -11. Since they are both negative, the sum will also be negative.
02

Add the Absolute Values

The absolute value of -18 is 18 and the absolute value of -11 is 11. Therefore, to compute the sum, add 18 and 11 to get 29.
03

Apply the Negative Sign

Since the original numbers were negative, apply a negative sign to the result from step 2. Thus, -18 + (-11) = -29.

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