Know how the Powers work
a0 = 1 for a≠0
√a = a1/2
n√am = a m/n
a-m = 1/am
(a/b) = am/bm
amxan = a(m+n)
am/an = a(m-n)
(am)n = a(m*n)
anxbn = (ab)n
am/n = am/an
(a/b)-n = bn/an
a-n/b-m = bm/an
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