Chapter 1: Q1. (page 17)

Evaluate the expression.
$28 - 63 \div 7$

Short Answer

Expert verified

The value of the expression is19.

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 – Divide 63 by 7

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

$\begin{array}{l} 28 - 63 \div 7 \\ = 28 - 9 \end{array}$

Step-3 – Subtract the resulting numbers

Now to simplify further, subtract the numbers to get

$\begin{array}{l} 28 - 63 \div 7 \\ = 28 - 9 \\ = 19 \end{array}$

Thus, the value of the expression is .19.

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Evaluate the expression.
$28 - 63 \div 7$

Short Answer

Step by step solution

Step-1 – Order of operations

Step-2 – Divide 63 by 7

Step-3 – Subtract the resulting numbers

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Evaluate the expression.28−63÷7

Short Answer

Step by step solution

Step-1 – Order of operations

Step-2 – Divide 63 by 7

Step-3 – Subtract the resulting numbers

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Calculus

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Theoretical and Mathematical Physics

Statistics

Study anywhere. Anytime. Across all devices.

Evaluate the expression.
$28 - 63 \div 7$