100 Great Black Britons: A Celebration of the Extraordinary Contribution of Key Figures of Afr

100 Great Black Britons: A Celebration of the Extraordinary Contribution of Key Figures of Afr

Matematika 1+2+4+8+16 tentukan S20​

1+2+4+8+16 tentukan S20​

Penjelasan dengan langkah-langkah:

  • Rumus :

[tex]\sf \:Sn = \frac{a( {r}^{n} - 1) }{r - 1} [/tex]

  • Diketahui :

a = 1

r = 2 ÷ 1 = 2

  • Jawaban :

[tex]\sf \: S20 = \frac{1( {2}^{20} - 1) }{2 - 1} \\ \sf \: = 1.048.576 - 1 \\ \sf \: =7.048.575[/tex]

Jawaban:

31

semoga membantu

Penjelasan dengan langkah-langkah:

karena 1+2+4+8+16

dan hasil nya =31

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