Jawapan

2016-09-25T19:18:58+08:00
2016-09-26T05:57:54+08:00
Cm=10^-2, mm=10^-3.... 5cm= 5x10^-2... tukar kpd mm, jadi (5x10^-2) / 10^-3 = 5x10^(-2+3) = 5x10= 50mm...