Definitions [3]
Definition of Science:
Science is the systematic organization of knowledge gained through observation, experimentation and logical reasoning.
Definition: Significant Figures
The measured value of a physical quantity denoting the number of digits in which we have confidence — where a larger number indicates greater accuracy of measurement — is called significant figures.
Definition: Dimensions
Dimensions are the powers to which the fundamental units (like length, mass, time) must be raised to express any physical quantity.
