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To rewrite the expression \( 88^{-7} \) as a fraction with a positive exponent, we use the rule that any negative exponent can be converted to a positive exponent by taking the reciprocal of the base. Specifically:

\[
a^{-n} = \frac{1}{a^n}
\]

Applying this rule here:

\[
88^{-7} = \frac{1}{88^7}
\]

This is the expression written as a fraction with a positive exponent. 

Would you like further explanation or have any other questions?

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Here are five related questions for further practice:
1. How would you rewrite \( 5^{-3} \) as a fraction with a positive exponent?
2. What is the value of \( 10^{-2} \) in fraction form?
3. How do you convert \( x^{-4} \) to a positive exponent?
4. If an expression is \( 3^{-\frac{1}{2}} \), how can it be written as a fraction?
5. What does \( (2^{-1})^3 \) equal in terms of positive exponents?

**Tip:** When dealing with negative exponents, remember that they indicate a reciprocal, which helps transform the expression into a fraction with positive exponents.

Write the expression as a fraction with a positive exponent. Do not evaluate the expression. 88^(-7)

Learn how to convert the expression 88^(-7) into a fraction with a positive exponent using the negative exponent rule. This example illustrates the reciprocal transformation of negative exponents for middle school students in Grades 7-9.

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