Matematika Sekolah Dasar tolong jawab dong kumpul besok​

carminehandulv – April 20, 2023

tolong jawab dong kumpul besok​ 1. U9 = 10 x 3 pangkat (9-1)
= 10 x 3 pangkat 8
= 65.610
2. U8 = 64 x 1/2 pangkat (8-1)
= 64 x 1/2 pangkat 7
= 64/1 x 1/128 = 1/2
3. Un = 8 x 2 pangkat (n-1)
4. S7 = 1 (3 pangkat 7 -1) / 3-1
= 1(2187-1) / 2 = 2186/2 = 193
5. S10 = 1024 (1- 1/2 pangkat 10) / 1 - 1/2
= 1024 (1024/1024 - 1/1204) /2
= 1024/1 x 1023/1024 x 2/1
= 2046
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