Question

2+0.2+0.02+0.002+....20th terms and nth terms ​

Answer 1

Answer:

a2 =a1×r2-1 =a1×r1 =0.2×0.11 =0.0200000005960465

a3 =a1×r3-1 =a1×r2 =0.2×0.12 =0.00200000008940697

a4 =a1×r4-1 =a1×r3 =0.2×0.13 =0.000200000011920929

a5 =a1×r5-1 =a1×r4 =0.2×0.14 =2.00000014901162E-05

a6 =a1×r6-1 =a1×r5 =0.2×0.15 =2.00000017881394E-06

a7 =a1×r7-1 =a1×r6 =0.2×0.16 =2.00000020861627E-07

a8 =a1×r8-1 =a1×r7 =0.2×0.17 =2.00000023841859E-08

a9 =a1×r9-1 =a1×r8 =0.2×0.18 =2.00000026822092E-09

a10 =a1×r10-1 =a1×r9 =0.2×0.19 =2.00000029802324E-10

a11 =a1×r11-1 =a1×r10 =0.2×0.110 =2.00000032782557E-11

a12 =a1×r12-1 =a1×r11 =0.2×0.111 =2.0000003576279E-12

a13 =a1×r13-1 =a1×r12 =0.2×0.112 =2.00000038743023E-13