Answer: " [tex]a^{20}[/tex] " .
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Step-by-step explanation:
Note the following property of exponents:
(a ͫ )ⁿ = a⁽ ͫ * ⁿ⁾ ;
in which: " m ≠ 0 ; n ≠ 0 " .
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Likewise:
(a⁴)⁵ = a⁽⁴*⁵⁾ = [tex]a^{20}[/tex] .
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The answer is: " [tex]a^{20}[/tex] " .
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Hope this answer — and explanation — is of help to you!
Best wishes!
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