Chapter 1: Q9. (page 20)

Evaluate the following expression. Name the property used in each step:
$3 (22 - 3 \cdot 7)$

Short Answer

Expert verified

The value of the expression is: $3 (22 - 3 \cdot 7) = 3$ .

Step by step solution

– Given information.

Given expression is:

$3 (22 - 3 \cdot 7)$

– Write the concept.

The substitution property for multiplication, addition and subtraction is:

$\begin{matrix} a \cdot b = c \\ a \pm b = c \end{matrix}$

The multiplicative identity is:

$a \times 1 = a$

– Evaluate the expression.

The expression $3 (22 - 3 \cdot 7)$ can be solved in below:

$\begin{matrix} 3 (22 - 3 \cdot 7) = 3 (22 - 21) [Substitution Property] \\ = 3 (1) [Substitution Property] \\ = 3 [PropertyofMulplicative Identity] \end{matrix}$

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Evaluate the following expression. Name the property used in each step:
$3 (22 - 3 \cdot 7)$

Short Answer

Step by step solution

– Given information.

– Write the concept.

– Evaluate the expression.

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Evaluate the following expression. Name the property used in each step:3(22−3⋅7)

Short Answer

Step by step solution

– Given information.

– Write the concept.

– Evaluate the expression.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Applied Mathematics

Geometry

Statistics

Theoretical and Mathematical Physics

Pure Maths

Calculus

Study anywhere. Anytime. Across all devices.

Evaluate the following expression. Name the property used in each step:
$3 (22 - 3 \cdot 7)$