Reciprocal of 909,091
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Theorem
The reciprocal of $909 \, 091$ is:
- $\dfrac 1 {909 \, 091} = 0 \cdotp \dot 00000 \, 10999 \, 998 \dot 9$
Proof
Performing the calculation using long division:
0.00000109999989000001... -------------------------------------------- 909091)1.00000000000000000000... 909091 ------ 9090900 8181819 ------- 9090810 8181819 ------- 9089910 8181819 ------- 9080910 8181819 ------- 8990910 8181819 ------- 8090910 7272728 ------- 8181820 8181819 ------- 1000000 909091 ------- ......
$\blacksquare$