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a)√1600 = 40 , 40 *40 = 1600
b)√36/49= 6/7
c)√0,0064= 0,08
d) ∛27/216 =3/6
e)∛0,008=0,2
f)∛-64 =-4
7.12
a)√16 *169 =√2704 = 52
b)∛64*125=∛8000 = 20
c)√2*√32 =√64 = 8
d)∛25*∛50*∛100 =∛125 000 = 50
e)√80:√5 =√16 = 4
f) ∛54:∛2=∛27 = 3