Help me please I don’t understand these please helpp

On a piece of paper graph f(x)=5•(0.4)^x

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn.what is the fraction of total chicks in outdoor pens?