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Q1.

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.**

$28-63\xf77$

The value of the expression is **19**.

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 the given expression, there is no grouping symbols and exponents in it. So, to evaluate the expression first divide 63 by 7 to get 9

$\begin{array}{l}28-63\xf77\\ =28-9\end{array}$

Now to simplify further, subtract the numbers to get

$\begin{array}{l}28-63\xf77\\ =28-9\\ =19\end{array}$

Thus, the value of the expression is .19.

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