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Which of the following represents [tex]9\sqrt{x^7}[/tex] in exponential form?

A. [tex]x^{9/7}[/tex]
B. [tex]x^{7/9}[/tex]
C. [tex]9x^7[/tex]
D. [tex]7x^9[/tex]

Answer :

Final answer:

The expression 9√(x⁷) can be expressed in exponential form as 9x, because the seventh root of x to the seventh power simplifies to x itself, and when multiplied by 9, it results in 9x.

Therefore, the correct option is c) 9x⁷.

Explanation:

The question asks which of the following represents 9√(x⁷) in exponential form. Using the properties of exponents, we can express a square root as a fractional exponent. For instance, taking the square root of a number is the same as raising that number to the power of 1/2. In the case of a seventh root, this is equivalent to raising the number to the power of 1/7.

Thus, the seventh root of x to the seventh power (9√(x⁷)) can be expressed as 9x raised to the power of 7/7. Since 7/7 simplifies to 1, this means our expression can be written as 9x1, or simply 9x, because any number raised to the power of 1 is itself.

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