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Q4.

Expert-verifiedFound in: Page 17

Book edition
Common Core Edition

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

Pages
183 pages

ISBN
9780547587776

**Evaluate the expression.**

**$10(1.5+0.6)$**

The value of the expression is **21**.

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

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

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

Now to simplify further, multiply the resulting numbers to get

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

Thus, the value of the expression is 21.

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