Jawabanmu

2014-08-30T04:22:43+07:00
A.30 thun=100,000,000 x2=200,000,000x2=400,000,000x2=800,000,000+modal(100,000,000)=Rp.900,000,000
b.50 thun=100,000,000x2=200,000,000x2=400,000,000x2=800,000,000x2=1.600,000,000x2=3.200,000,000+modal(100,000,000)=Rp.3.300,000,000
2014-08-30T04:30:36+07:00
A = 100,000,000
r=2
un=a.r^n
a. u3=100,000,000×2^3= 100,000,000×8= 800,000,000
b.u5=100,000,000×2^5= 100,000,000×32=3,200,000,000