Book edition Common Core Edition

Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

Pages 183 pages

ISBN 9780547587776

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Short Answer

Evaluate the experssion when $a = 2.5, b = 15, and c = 3.5$
localid="1648024411816" $c - a$

The value of the expression is $1$ .

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step-1 – Apply the 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 – Apply the concept for addition and subtraction of decimals

To add or subtract two decimal numbers, write the numbers vertical with decimal point aligned vertically.

For example: to add the numbers 2.3 and 4.62, write these numbers vertically and add as shown below

$\begin{array}{l} 2.3 \\ \underline{+ 4.62} \\ 6.92 \end{array}$

Step-3 – Evaluate the expression

To evaluate the expression $c - a$ , substitute the values of c as 3.5 and value of a as 2.5 and subtract the numbers as shown below,

$\begin{array}{l} 3.5 \\ \underline{- 2.5} \\ 1.0 \end{array}$

Thus, the value of the expression is $1$ .

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Pre-algebra

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Short Answer

Evaluate the experssion when $a = 2.5, b = 15, and c = 3.5$
localid="1648024411816" $c - a$

Step by Step Solution

Step-1 – Apply the concept of addition and subtraction

Step-2 – Apply the concept for addition and subtraction of decimals

Step-3 – Evaluate the expression

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Short Answer

Evaluate the experssion when a=2.5, b=15, and c=3.5localid="1648024411816" c-a

Step by Step Solution

Step-1 – Apply the concept of addition and subtraction

Step-2 – Apply the concept for addition and subtraction of decimals

Step-3 – Evaluate the expression

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Evaluate the experssion when $a = 2.5, b = 15, and c = 3.5$
localid="1648024411816" $c - a$