Answer:
r = 9
Step-by-step explanation:
[tex]\mathrm{a_n = a_1 \cdot r^{n-1}}\\\\\mathrm{2048 = 4(r)^{10-1}}\\\\\mathrm{2048 = 4r^9}\\\\\mathrm{\frac{2048}{4} = \frac{4r^9}{4} }\\\\\mathrm{512 = r^9}\\\\\mathrm{2 = r}[/tex]
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Answers & Comments
Answer:
r = 9
Step-by-step explanation:
[tex]\mathrm{a_n = a_1 \cdot r^{n-1}}\\\\\mathrm{2048 = 4(r)^{10-1}}\\\\\mathrm{2048 = 4r^9}\\\\\mathrm{\frac{2048}{4} = \frac{4r^9}{4} }\\\\\mathrm{512 = r^9}\\\\\mathrm{2 = r}[/tex]