100Gw x 35ms (note: a watt is a joule per second)
'G' = "giga..." = billion = 10⁹'ms' = "millisecond" = 0.001 second100 Gw = 10¹¹ watts35 ms = 0.035 second100 Gw x 35 ms = 10¹¹ watts x 0.035 second = 3.5 x 10⁹ J = 3.5 G-joules
