Here are the essential concepts you must grasp in order to answer the question correctly.
Square Root
The square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3, since 3 × 3 = 9. In this question, we are looking for the square root of 12 squared, which simplifies the calculation.
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Exponentiation
Exponentiation is a mathematical operation involving two numbers, the base and the exponent. The exponent indicates how many times the base is multiplied by itself. In this case, 12² means 12 multiplied by itself, which equals 144, and is essential for finding the square root in the next step.
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Simplifying Expressions
Simplifying expressions involves reducing them to their most basic form. This can include combining like terms, factoring, or applying operations such as square roots. In this question, simplifying √(12²) leads to finding the square root of 144, which is a straightforward calculation.
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