Question

√12*√18*√216
√75*√28/√21
√(4,3)^2
0,1√(-93)^2

Answer 1

!/12×!/18×!/216=!/12×!/18×!/12×18=12×18=216

!/75×!/28/ !/21=
=!/3×25 ×!/4×7 / !/21=
=5×2!/21 / !/21=5×2=10

!/(4.3)^2=4.3

0.1×!/(-93)^2=0.1×93=9.3