Evaluate square root of 441
Problem
Solution
Identify the number under the radical, which is
441 Determine if the number is a perfect square by looking at its prime factorization or testing integers.
Factor the number into its prime components:
441=3×147=3×3×49=3^2×7^2 Apply the property of square roots
√(,a^2×b^2)=a×b Calculate the result:
√(,3^2×7^2)=3×7=21
Final Answer
Want more problems? Check here!