Evaluate a Numerical Expression
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Definition of Evaluate a Numerical Expression
To evaluate a numerical expression, we simplify it by using the given operations to obtain a single numerical value.
More About Evaluate a Numerical Expression

Order of operation or PEDMAS (Parentheses, Exponentiation, Division/Multiplication, Addition/Subtraction) rule is applied to evaluate a numerical expression.
Video Examples: Evaluating Numerical Expressions
Example of Evaluate a Numerical Expression

To evaluate 23 + 25 ÷ (25  20), we first perform the operation within parentheses and then apply division and addition.
23 + 25 ÷ (25  20) = 23 + 25 ÷ 5
= 23 + 5
= 28
Solved Example on Evaluate a Numerical Expression
Ques: What is the simplest form of the given numerical expression? ( 9)(54)( 5)
Choices:
A. 28130B. 28127
C. 28123
D. 28125
Correct Answer: D
Solution:

Step 1: ( 9)(54)( 5)
Step 2: ( 9)(5 × 5 × 5 × 5)( 5) [Since b^{n} = b × b × b × .... n times.]
Step 3: 28125
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