7.2 d
∛.001 = 0.1
7.2 e
∛(1/8) = 1/2
216 = (3 · 2) · (3 · 2) · (3 · 2)
= 6 · 6 · 6
∛216 = 6
b.
∛1000 = 10
c.
∛3375 = 15
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