Question

Find the nth term and the 25th term of the sequence 16,32,48,64........
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Answer 1

Answer:

9=144 25=400

Step-by-step explanation:

16×1=16

16×2=32

..........

.......

16×9= 144

.......

.....

......

16×25=400

therefore

9=144

25=400

Answer 2

Answer:

16n; 400

Step-by-step explanation:

This is an arithmetic progression with first term 16 and common difference of 16.

For nth term, refer to first formula:

nth term = 16 + (n-1) x 16

nth term = 16 + 16n - 16

nth term = 16n

For 25th term:

a25 = 16 x 25

a25 = 400