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Expert-verified Found in: Page 17 ### Pre-algebra

Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776 # Evaluate the expression.$10\left(1.5+0.6\right)$

The value of the expression is 21.

See the step by step solution

## Step-1 – Order of operations

To evaluate any expression involving more than one operation, follow the below order of operations:

• First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
• Evaluate the exponents.
• Perform Multiplication and division from left to right.

Perform addition and subtraction from left to right

## Step-2 – Solve the expression inside grouping symbols

In order to evaluate the given expression, first evaluate the expression inside the parentheses. Observe that there is only a plus sign between the numbers inside parenthesis, so add them and remove the parenthesis to get

$\begin{array}{l}10\left(1.5+0.6\right)\\ =10\left(2.1\right)\\ =10×2.1\end{array}$

## Step-3 – Multiply and divide from left to right

Now to simplify further, multiply the resulting numbers to get

$\begin{array}{l}10×2.1\\ =21.0\end{array}$

Thus, the value of the expression is 21. ### Want to see more solutions like these? 