Which number indicates a greater level of detail when working with GIS precision?

A higher number typically indicates a greater level of detail due to its relationship with the precision of the data or the scale at which it is measured. In the context of GIS, this is often related to the concept of decimal places in coordinates or measurements. For instance, latitude and longitude coordinates represented with more decimal places allow for a more precise location representation. Each decimal place adds a layer of specificity; for example, moving from 6 decimal places to 15 decimal places allows you to pinpoint a location much more accurately.

Thus, a number like 15 suggests a much finer precision compared to smaller numbers, which correspond to less detail and coarser approximations. Therefore, when choosing a value signifies greater precision in GIS data, selecting a higher number, like 15, is the correct choice, as it reflects the increased detail available through that level of precision.