Find the 10thterm in the series 2, 4, 8, 16, -------
1010
625
1024
2010
$\mathrm{a}=2, \quad \mathrm{r}=42=2, \mathrm{n}=10$
10th term $t_{10}=a r^{n-1}=2 \times 2^{10-1}=2 \times 2^9=2 \times 512=1024$
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