Chapter 1: Q7. (page 44)

Find each sum or difference.
$- 11.5 + 8.1$

Short Answer

Expert verified

The value of expression is –3.4.

Step by step solution

Step 1. Concept of addition and subtraction.

Two numbers with similar signs get added and the resulting number carries the similar sign.

Two numbers with opposite signs get subtracted and the resulting number carries the sign of the larger number.

Step 2. Subtract a smaller value from a larger one.

$\begin{array}{l} \underline{\begin{array}{l} 11.5 \\ - 8.1 \end{array}} \\ 3.4 \end{array}$

Step 3. By using the concept of addition and subtraction.

$\begin{array}{l} - 11.5 + 8.1 \\ = - 3.4 \end{array}$

Therefore, the sum is –3.4.

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Find each sum or difference.
$- 11.5 + 8.1$

Short Answer

Step by step solution

Step 1. Concept of addition and subtraction.

Step 2. Subtract a smaller value from a larger one.

Step 3. By using the concept of addition and subtraction.

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Find each sum or difference.−11.5+8.1

Short Answer

Step by step solution

Step 1. Concept of addition and subtraction.

Step 2. Subtract a smaller value from a larger one.

Step 3. By using the concept of addition and subtraction.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Decision Maths

Theoretical and Mathematical Physics

Pure Maths

Probability and Statistics

Calculus

Discrete Mathematics

Study anywhere. Anytime. Across all devices.

Find each sum or difference.
$- 11.5 + 8.1$