Question 1175704
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<pre>

(A)  bc = {{{(a^3)*(a^5)}}} = {{{a^(3+5)}}} = {{{a^8}}}.



(B)  {{{a^9}}} = {{{(a^3)^3}}} = {{{b^3}}}.



(C)  {{{a^25}}} = {{{(a^5)^5}}} = {{{c^5}}}.
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Solved.