What is the number of complete waves emitted by the laser?
6.0×10146.0 \times 10^{14}6.0×1014
6.0×10126.0 \times 10^{12}6.0×1012
6.0×1086.0 \times 10^86.0×108
6.0×1066.0 \times 10^66.0×106