Free practice · multiple-choice · hard
Practice
Select conversion controls
Which checks support a dependable unit conversion? Select all that apply.
Dimensional conversion chain
Make unwanted units cancel and the target unit survive
- Start
- Quantity × starting unit
- Factor
- Verified equivalent quantities
- Cancel
- Starting unit appears once above and once below
- Finish
- Number × requested target unit
- Check
- Compatible dimension and reasonable scale
A conversion factor equals one, but its orientation matters. An estimate and dimensional check help reject calculator results at the wrong scale.