The Power Rule of Exponents states that when you raise a power to another power, you multiply the exponents. This means that the correct expression which can be developed using the Power Rule of Exponents is:
D. \((7^4)^8\)
When you apply the Power Rule to this expression, you multiply the exponents:
\((7^4)^8 = 7^{4 \cdot 8} = 7^{32}\)
The other options do not involve an exponent raised to another exponent, so they do not use the Power Rule in the same way. Therefore, the correct answer is D.
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