Which term of the progression 0.004,0.02,0.1, is 125.?

Which term of the G.P. 0.004, 0.02, 0.1,… is 12.5 ?

10th term of the A.P. -0,1, -0.2, -0.3,……… is

Find the sum to indicated number of terms in each of the geometric progressions : 0.15,0.015,0.0015,...,20 terms.

Find the value of the expression 0.096 xx 0.096 - 0.004 xx 0.004

Find the value of the expression 0.096 xx 0.096 - 0.004 xx 0.004

0.04 // 0.2 = 0.2

Which is greater ? 0.03 or 0.004

Find the sum of 7 terms of the series 2+0.2+0.02+….

Find the sum to indicated number of terms in each of the geometric progressions in Questions 7 to 10 : 0.15, 0.015, 0.0015,…20 terms.