Question

define and Explain significant Figures​

Answer 1

Answer:

Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value. We start counting significant figures at the first non-zero digit.

Answer 2

Answer:

Significant figures - 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.