Question

what is significant figure

Answer 1

each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first non-zero digit.

Answer 2

Answer:

Significant figures:

∙ They are number of digits, used in a number, to specify its accuracy.

∙ All non-zero digits are significant.

∙ Any zeros between two significant digits are significant.

For example:

∙ Number 18.2

=>Has 3 significant figures.

∙ Number 4700

=>Has 4 significant figures.