Find the missing term of each geometric sequence.
1. 27,9___, ____, 1/3
2.256, ___, ____, - 32,16
3.120,60,30,____,____,____
4.5,_____,20,40,____,____
5. ¼,_____,_____,_____,64,256
6. _____, 4,12,36,_____,____
7. ____, ____, 32,64,128
8. 5ײ,_____,5×6,5×8,_____
9. 1,_____,_____,-8,16
10. - 2,_____,____,-16,-32,_64​