significant figures.
Length Width
4
Answer for Apex: length, width, and height
The number of significant figures should be equal to the significant figures in the least precise measurement.
Area; this is often measured in square meters, or square centimeters.
Area. Very few 2-dimensional figures can be measured by length and width - rectangles (and stretching the terminology) triangles and parallelograms. Certainly not circles, stars, irregular polygons, other irregular shapes.
Volume - measured in cubic meters, cubic centimeters, etc.APEX height, length, and width
4 significant figures.
All three of them are significant figures
They can be measured by their linear measures in three orthogonal directions.
significant figures.
Length Width
4
28.71
Cells are typically measured in micrometers
3.774 is to 4 significant figures (count them)