Answer
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Step 1: Identify the prime factors of the number under the square root.
The prime factors of 98 are 2 and 7, since $$98 = 2 imes 7 imes 7$$.
Step 2: Apply the square root to each prime factor.
We can write the square root of 98 as $$\sqrt{98} = \sqrt{2 imes 7 imes 7} = \sqrt{2} imes \sqrt{7 imes 7} = \sqrt{2} imes 7$$.
Final Answer
\sqrt{98} = 7\sqrt{2}
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