Question

the no. of significant figure in Avogardo no.​

Answer 1

Answer:

The Avogardo number = 6.022140857*10 raise to 23

Explanation:

Three (6.02*10 raise to 23) or four (6.022*10 raise to 23) significant figures for avogardo  number .

Answer 2

Avogadro constant = 6.022 × 10^23

Hence this Avogadro number has four significant figures.

Rules for Determining the Number of Significant Figures -

• All the non zero numbers are included as significant figures.

• A zero becomes significant if it comes between two non zero numbers.

• If any notation is given in exponential form then the numerical portion is counted as the significant figure.

• A decimal can't change the number of significant figures.