The answer is: " 7 " .
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Step-by-step explanation:
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Note that: ⁴√7 = 7^(1/4) .
As such: " (⁴√7) * (⁴√7) * (⁴√7) * (⁴√7) " = (⁴√7)⁴ = [ 7^(1/4) ] ^ (4) ;
→ [ 7^(1/4) ] ^ (4) = 7^ [ (1/4) * (4)] = 7¹ = 7 .
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The answer is: " 7 " .
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