5 723 000 = 5,723 · 106
b−r = 1 / br
b1/n = n√b
bm/n = n√(bm) = (n√b)m
T(x)r = a
T(x) = a1/r
ap · aq = ap + q
ap : aq = ap − q
aq · bq = (a · b)q
aq : bq = (a : b)q
(ap)q = ap·q