(log125 ׳√8 )⁴√81³.evaluate
​

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

Can someone me with this? i’m not sure what to put for my equations.

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected