Question

Explain significant figures and its rules ?

Answer 1

$HEY MATE$
HERE IS YOUR ANSWER
◆ $SIGNIFICANT FIGURE:-$
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In the measured value of physical quantity tell the number of digit in which we have confidence.
Larger the no. of significant figures greater is the accuracy of measurement.

◆ Rules of significant figure :

● All non zero digit are significant.
for ex. :- 312 = 3 significant figure

● All zeroes occurring between two non zero digit are significant.
For ex.:- 5005 = 5 significant figure.

● In a no. less than one all zeroes to the right of the decimal points & to the left of a non zero are not significant.
For ex.:- 0.0068 = 2 significant figure

● All zeroes of the right of a last non zero digit in the decimal part are significant .
For ex.:- 1.00 = 3 significant figure.

● All zeroes on the right of non zero digit are not significant.
For ex.:- 6000 = 1 significant figure

$I HOPE IT'S HELP YOU$

Answer 2

Hey mate answer is:- a√3