Tuesday, September 14, 2021

Latihan Soal Fungsi Eksponensial Matematika Peminatan Kelas X Soal Tingkat Sulit no 5

Latihan Soal Fungsi Eksponensial

Kelas X

Soal Tingkat Sulit


5. Jika n memenuhi 

250,25 x 250,25 x 250,25 x ... x 250,25 = 125

------------------------------------------------

n faktor

maka (n - 3) (n + 2) = ...


Jawaban :

250,25 x 250,25 x 250,25 x ... x 250,25 (sebanyak n) = 125

250,25 . n = 125

52. 0,25 . n = 53

50,5n = 53

0,5 n = 3

1/2 n = 3

n = 3 . 2

n = 6


maka (n - 3) (n + 2)

= (6 - 3) (6 + 2)

= 3 . 8

= 24

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