10 to the power of 6 prefix July 8, 2019 16 32 64 128 10 to the power of negative 6 prefix 10 to the power minus 6 prefix used in si system is The prefix used for the multiple 10 to the power of minus 6 is 10 to the power 15 prefix 10 to the power of 12 prefix 10 to the 6