a) √16 × √9 = 4 × 3 = 12
b) √100 × √64 = 10 × 8 = 80
c) 6 × 5 = 30 (pierwiastek skraca sie z potega, wiec zostaje sama liczba)
d) √4 × √81 × √9 = 2 × 9 × 3 = 54
e) √16 × √25 × √49 = 4 × 5 × 7 = 140
f) 11 × 2 × √81 = 11 × 2 × 9 = 198
g) ³√27 × ³√64 = 3 × 4 = 12
h) ³√8 × ³√64 = 2 × 4 = 8
i) 7 × 9 = 63
j) ³√27 × ³√64 × ³√125 = 3 × 4 × 5 = 60
k) ³√3^6 × ³√5³ × ³√2^9 = ³√729 × 5 × ³√512 = 9 × 5 × 8 = 360
l) ³√4^9 × 6 × ³√27 = ³√262 144 × 6 × 3 = 64 × 18 = 1152