What is one situation in which measurements have an unlimited number of significant figures?
When we define a number; i.e.,
2.5400000000 cm = 1.00000000 inch.
OR 12.00000 inches = 1.000000 foot.
When we define a number; i.e.,
2.5400000000 cm = 1.00000000 inch.
OR 12.00000 inches = 1.000000 foot.