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3. Write the first five terms of each of the sequences in Exercises 1 to 6 whose nthterms are:

$a _ n = 2 ^n$

Answers (1)

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Given : $a _ n = 2 ^n$

$a _ 1 = 2 ^1=2$

$a _ 2 = 2 ^2=4$

$a _ 3 = 2 ^3=8$

$a _ 4 = 2 ^4=16$

$a _ 5 = 2 ^5=32$

Therefore, required number of terms $=2,4,8,16,32.$

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