Jawab:
C
Penjelasan dengan langkah-langkah:
Sifat eksponen [tex]\displaystyle a^{m+n}=a^ma^n[/tex]
[tex]\begin{aligned}&\frac{5^{x+1}+5^{x+2}+5^{x+3}}{50}=\frac{310}{4}\\&\frac{5^x\cdot5^1+5^x\cdot5^2+5^x\cdot5^3}{50}=\frac{155}{2}\\&\frac{5^x(5^1+5^2+5^3)}{50}=\frac{155}{2}\\&\frac{155\cdot5^x}{50}=\frac{155}{2}\\&\frac{5^x}{50}=\frac{1}{2}\\&5^x=25\\&5^x=5^2\\&x=2\end{aligned}[/tex]
Jawaban:
2
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Jawab:
C
Penjelasan dengan langkah-langkah:
Sifat eksponen [tex]\displaystyle a^{m+n}=a^ma^n[/tex]
[tex]\begin{aligned}&\frac{5^{x+1}+5^{x+2}+5^{x+3}}{50}=\frac{310}{4}\\&\frac{5^x\cdot5^1+5^x\cdot5^2+5^x\cdot5^3}{50}=\frac{155}{2}\\&\frac{5^x(5^1+5^2+5^3)}{50}=\frac{155}{2}\\&\frac{155\cdot5^x}{50}=\frac{155}{2}\\&\frac{5^x}{50}=\frac{1}{2}\\&5^x=25\\&5^x=5^2\\&x=2\end{aligned}[/tex]
Jawaban:
2
Penjelasan dengan langkah-langkah:
Karena itu. jawaban lainnya