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Chapter 4: Q52. (page 158)

Find the value of each expression.
52. $3.5 + 2.7$

Short Answer

Expert verified

The value of $3.5 + 2.7$ is $6.2$ .

Step by step solution

01

– Observe the two numbers.

By observing two numbers we can say that two numbers have the same decimal places.

Align the two numbers one under the other.

02

– Description of step.

As the two numbers are positive, the answer will be positive.

03

– Description of step.

Add the two numbers.

$\begin{matrix} \underline{\begin{array}{l} 3.5 \\ + 2.7 \end{array}} \\ 6.2 \end{matrix}$

Therefore, the value of $3.5 + 2.7$ is $6.2$ .

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Most popular questions from this chapter

For exercises 30-32, use the following information. The Cookie Cutter Bakery records each type of cookie sold at three of their branch stores. Two days of sales are shown in the spreadsheets below.

30. Write a matrix for each day’s sales.

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$[\begin{matrix} 4 & - 2 & - 7 \\ 6 & 3 & 5 \end{matrix}] \cdot [\begin{matrix} - 2 \\ 5 \\ 3 \end{matrix}]$

Find the value of each expression.

$- 2 - 8$

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21. $8 [\begin{matrix} 0.25 & 0.5 \\ 0.75 & 1.5 \end{matrix}] - 2 [\begin{matrix} 0.25 & 0.5 \\ 0.75 & 1.5 \end{matrix}]$

See all solutions

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