这道数学题，看不懂 ，求助

mataoturku

On a scale that measures the intensity of a certain phenomenon a reading of n+1 conresponds to an intensity that is 10 times the intensity corresponding to a reading of n, On that scale, the intensity corresponding to a reading 8 is how many times as great as the intensity corresponding to a reading of 3?

dabobowa1111

在某个测量某种现象强度的仪器中，读数N+1是读数N的十倍。在这个仪器中，读数8是读数3的多少倍？