6×104 J/sec6 \times 10^{4} \mathrm{~J} / \mathrm{sec}6×104 J/sec
6×10−4 J/sec6 \times 10^{-4} \mathrm{~J} / \mathrm{sec}6×10−4 J/sec
6×102 J/sec6 \times 10^{2} \mathrm{~J} / \mathrm{sec}6×102 J/sec
6×103 J/sec6 \times 10^{3} \mathrm{~J} / \mathrm{sec}6×103 J/sec