Answer :

mariamikayla
[tex]160|2 \\ 80|2 \\ 40|2 \\ 20|2 \\ 10|2 \\ 5 \ |5 \\ 1 \\\\ 160=2^n*5 \\\\\boxed{160=2^5*5} \\\\ \to \boxed{n\to5}}[/tex]
littlestar
[tex]2 n^{5} = 160\\ n^{5} = 80\\n^{5} = 2 X 2 X 2 X 2 X 2\\\\n^{5} = 2 ^{5}\\\\\boxed{ n= 2\ Answer} [/tex]

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