Im Stuck!!

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[color=#00FFFF][/color]How do I even start this problem? If a² = 12, then a4 =

Guest Jan 23, 2014

Walt · Answer 1 · 2014-01-23T04:43:20

If a ²=12 then a ⁴= (a ²) ² so just plug in 12 for the a ² and you get your answer.