Question

Write down the number of significant figures in the following (a) 6428 (b)62.00 (c)0.00628 cm (d) 1200N

Answer 1

Answer:

there are 4 significant figures in 1st option

2. there are 2 significant figures

3.only 1 significant figures

4. only 2 significant figures

Answer 2

The number of significant figures in the given options are as follows :

(a) 6428 : It has 4 significant  figures.

- Because all are non zero numbers.

(b) 62.00 : It has 4 significant  figures.

-  Because the zeros after decimal are significant.

(c) 0.00628 : It has 3 significant  figures.

- Because the zeros between decimal and non-zero digits are not significant.

(d) 1200 : It has 2 significant  figures.

- Because the zeros after non-zero digits are not significant.