18,36,72,144, suku ke 8 dari deret geometri ini adalah...
a = 18
r = 2
U8 = a.r^(n-1)
U8 = 18.2^(8-1)
U8 = 18.2⁷
U8 = 18.128
U8 = 2304
catatan : tanda titik artinya kali
[answer.2.content]2019 Standard Catalog of World Coins, 2001-Date
2019 Standard Catalog of World Coins, 2001-Date
a = 18
r = 2
U8 = a.r^(n-1)
U8 = 18.2^(8-1)
U8 = 18.2⁷
U8 = 18.128
U8 = 2304
catatan : tanda titik artinya kali
[answer.2.content]