Find the sum of the products of the corresponding terms of the sequences 2,4, 8, 16, 32 and 128, 32, 8, 2, `1/2`.

Find the sum of the products of the corresponding terms of the sequences 2,4,8, 16 , 32\ a n d\ 128 , 32 ,8,2,1/2\ dot

Find the sum of 10 terms of the progression : 2+4+8+…

Find the sum to n terms of the sequence 8,88,888,8888,……

In 205 a term of the sequence 8,12,16,20,….?

Find the sum to n terms of the sequence, 8, 88, 888, 8888 . . . .

Find the products : 2.8 xx16

Find the sum of infinite term of the following series : 16+8+4…oo

Find the 28th term of the arithmetic sequence 2, 5, 8, ….

Find the sum of the terms of the sequence: 5 + 8+ 11 +……………..+ 68.

Find the n^(th) term and sum to n terms of the series 8, 14, 22, 32, 44,.....