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Several different ways in which the solution can be expressed.

2 √18

Take everything inside the square root. 2√18 = √(4 x 18) = √72

Simplify the square root. 2√18 = 2√(9 x 2) = 2 x 3√2 = 6√2

Solve the square root. 2√18 = 2 x 4.24264 = 8.48528 (5dp)

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Q: What is the square root of 2 multiplied by the square root of 18?
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2 is the same as the square root of 4. Square root of 4 multiplied by square root of 2 is equal to the square root of 8.


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