Evaluate Mathematical Expression Using Order of Operations
To evaluate the expression $16 + 20 \div 4 - 3 \times 4$, we follow the standard order of operations (PEMDAS/BODMAS): Parentheses/Brackets, Exponents/Orders, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
Applying PEMDAS/BODMAS Rules
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Division: First, calculate the division part.$20 \div 4 = 5$
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Multiplication: Next, calculate the multiplication part.$3 \times 4 = 12$
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Substitute Results: Replace the division and multiplication parts with their results in the expression.$16 + 5 - 12$
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Addition: Now, perform addition from left to right.$16 + 5 = 21$
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Subtraction: Finally, perform the subtraction.$21 - 12 = 9$
Conclusion
The final result of the evaluation is 9.
Important Questions from Simplification
If P = 0.3 × 0.3 + 0.03 × 0.03 - 0.6 × 0.03 and Q = 0.54, then \(\rm \frac{P}{Q}\) is equal to:
The value of \(\left(\frac{1}{2}\right)^{−2} \times\left(\frac{1}{3}\right)^{−2} \times\left(\frac{1}{4}\right)^{−2} \) is
The solution of the equation \(\frac{2}{3 x-4}+\frac{2}{2 x-6}=0 \) is:
What will come in the place of question mark (?) in the given expression?
\(\sqrt{21+\sqrt{49}+\sqrt{64}} \space {\%\:of\:5000}=?\)
There are 5 tasks and 5 persons. Task-1 cannot be assigned to either person-1 or person-2. Task-2 must be assigned to either person-3 or person-4. Every person is to be assigned one task. In how many ways can the assignment be done?
