Answer
You do not need any formulas to answer this question.
Work Step by Step
This question asks us to determine whether a measurement is a measurement of length, area, volume, mass, density, time, or temperature. The measurement is -78$^{\circ}$C. This is a measurement of temperature, it stands for Celsius. Celsius is frequently used in a variety of scientific fields. You don't need to do any math, just memorize units.