Chapter 1: Q. 1.10 (page 15)

Simplify $7^{2} - 2 [4 (5 + 1)]$ .

Short Answer

Expert verified

The simplified value is 1.

Step by step solution

Step 1. Given information.

Consider the given information.

$7^{2} - 2 [4 (5 + 1)]$

Step 2. Apply the order of the operations.

First, remove the parenthesis left to right.
Apply the multiplication operation left to right and simplify.
Apply the addition and subtraction operation left to right.

$\begin{array}{rcl} 7^{2} - 2 [4 (5 + 1)] & = & 7^{2} - 2 [4 \times 6] [Parenthesis] \\ = & 7^{2} - 2 \times 24 [Remove parenthesis and multiply] \\ = & 49 - 48 [Substraction] \\ = & 1 \end{array}$

Step 3. Conclusion.

The obtained value is 1.

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Simplify $7^{2} - 2 [4 (5 + 1)]$ .

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Apply the order of the operations.

Step 3. Conclusion.

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Simplify72-245+1.

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Apply the order of the operations.

Step 3. Conclusion.

One App. One Place for Learning.

Most popular questions from this chapter

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Simplify $7^{2} - 2 [4 (5 + 1)]$ .