A satellite navigation system uses a variable altitude to record the current height of a drone above sea level in metres, which can be a fractional value (such as 142.85).
State the most appropriate primitive data type for the variable altitude.
44 exam-style questions on Edexcel GCSE Computer Science Data types and structures, covering Primitive and structured data types, Using variables and constants, and Manipulating strings. Each one has a worked solution and a mark scheme showing where the marks go.