What is 2 root 2?
Understand the Problem
The question is asking for the mathematical simplification or calculation of the expression '2 root 2', which refers to multiplying 2 by the square root of 2.
Answer
$2 \sqrt{2} \approx 2.828$
Answer for screen readers
The final answer is $2 \sqrt{2} \approx 2.828$
Steps to Solve
- Identify the expression to simplify
The expression given is $2 \sqrt{2}$.
- Understand the square root
The square root of 2 is represented as $\sqrt{2}$. This is an irrational number approximately equal to 1.414.
- Multiply the constants together
Multiplying the constant 2 by the square root of 2:
$$2 \times \sqrt{2}$$
- Solve the multiplication
$2 \times 1.414 \approx 2.828$
The final answer is $2 \sqrt{2} \approx 2.828$
More Information
The square root of 2 is an irrational number, meaning it cannot be exactly represented as a fraction and its decimal form goes on infinitely without repeating.
Tips
A common mistake is forgetting that the square root of 2 is an irrational number and trying to represent it inaccurately as a simple fraction
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