CREATE TABLE table_28299 ("Shortscale comparison" TEXT, "Chuquet" TEXT, "Peletier" TEXT, "Systematics" TEXT, "Base 10" TEXT, "SI Prefix" TEXT)

Name the base 10 for peletier for bi llion
SELECT "Base 10" FROM table_28299 WHERE "Peletier" = 'Bi llion'
SELECT "Base 10" FROM "table_28299" WHERE "Peletier" = 'Bi llion'