Can I use a C711 Okidata toner in a C711DW printer?

Does 100 billion equal to 100000 times 1 million?

Yes, assuming American usage where billion = 10^9 = thousand million 10^11 = 10^5 * 10^6 In British usage, however, billion equals million million = 10^12 = thousand milliard. ____________________________________ 100 billion = 100 x 10E12 = 10E14 (per SI unit definition) 100000 million = 10E5 x 10E06 = 10E11 Accordingly, they are not equal