Simplify this power raised to a power: (5^4)4
1. expand using four factors of 5^4: 5^4 ∙ 5^4 ∙ 5^4 ∙ 5^4
2. apply the product of powers rule: 5^4+ 4+ 4+ 4
3. simplify: 5^x
what is the value of x in the simplified power?

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