What is the simplified form of square root of one-hundred x to the thirty-sixth power end root ?

Take the square root of each factor: √100 = 10 and √(x³⁶) = x¹⁸, since 36 ÷ 2 = 18. Therefore, the simplified form is 10x¹⁸, which is choice C, “ten times x to the eighteenth power.”

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