Question

What do you mean by significant figures ?​

Answer 1

Answer:

The number of digits in a value, also a ratio, that contribute to the degree of accuracy of the value are significant figures. At the first non-zero integer, we begin counting important figures. For an assortment of numbers, measure the sum of important figures.

Answer 2

Answer:

It is defined as the 'number of meaningful digits which contain numbers that are known reliable and first uncertain number'

Explanation:

there are certain rules to determine the significant figures:

there are as follows:

! all non-zero digits are significant..

! all zero between two non-zero digits are significant..

ex. 2008 has 4 significant figures..

! all zeros to the right of a non-zero digits but to the left of a decimal point are significant.

ex. 30700.has give significant figures.

! the number of the significant figures does not depend on the system of unit used.

ex. 0.124m,0.00124km... has 3 significant figures..

! all zeros go the right of a decimal point and to the right of non-zero digt are significant..

ex. 40.00 has 4 signifi any figures..

hope you got it!....