Math Problem Statement

Write an equivalent expression of the 7th root of (x * y^35 * z^2) using exponential notation.

Solution

The question asks to rewrite the given expression using exponential notation.

Expression provided:

xy35z27\sqrt[7]{x y^{35} z^2}

Step-by-step conversion:

  1. Convert the root: The seventh root can be written as a fractional exponent of 17\frac{1}{7}. This means: A7=A17\sqrt[7]{A} = A^{\frac{1}{7}}

  2. Apply the fractional exponent to each term: xy35z27=(xy35z2)17\sqrt[7]{x y^{35} z^2} = (x y^{35} z^2)^{\frac{1}{7}}

    Distribute 17\frac{1}{7} across all terms inside the parentheses: x17(y35)17(z2)17x^{\frac{1}{7}} \cdot (y^{35})^{\frac{1}{7}} \cdot (z^2)^{\frac{1}{7}}

  3. Simplify exponents:

    • y3517=y5y^{35 \cdot \frac{1}{7}} = y^5
    • z217=z27z^{2 \cdot \frac{1}{7}} = z^{\frac{2}{7}}

    Therefore: x17y5z27x^{\frac{1}{7}} \cdot y^5 \cdot z^{\frac{2}{7}}

Final Answer:

x17y5z27x^{\frac{1}{7}} y^5 z^{\frac{2}{7}}

Would you like me to provide additional details or examples? Here are five related questions for practice:

  1. How do you express the cube root of a6b9a^6 b^9 using exponential notation?
  2. Rewrite m8n24\sqrt[4]{m^8 n^2} in exponential form.
  3. How can you simplify (x5)13(x^5)^{\frac{1}{3}}?
  4. What is the general rule for applying fractional exponents to products inside parentheses?
  5. Can you convert 163/416^{3/4} into radical notation?

Tip:

Remember that fractional exponents represent roots! For example, am/na^{m/n} means amn\sqrt[n]{a^m}.

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Math Problem Analysis

Mathematical Concepts

Exponents
Radicals
Simplification of Algebraic Expressions

Formulas

n-th root of A = A^(1/n)
Power of a product: (ab)^n = a^n * b^n
Power of a power: (a^m)^n = a^(m*n)

Theorems

Exponentiation Laws
Radical-to-Exponent Conversion

Suitable Grade Level

Grades 9-12