1,0.1 ,0.01,0.001,0.0001······请用公式表达此数列,_数学解答

1,0.1 ,0.01,0.001,0.0001······请用公式表达此数列,

人气：307 ℃　时间：2020-05-19 07:30:27

解答

1=1/1=1/10^0=1/10^(1-1)
0.1=1/10=1/10^(2-1)
0.01=1/100=1/10^(3-1)
…………
第n个数an=1/10^(n-1)=10/10^n