Question

How many significant figures in 20.8cm?​

Answer 1

Answer:

$\Huge \boxed{3}$

Explanation:

Significant figures include non-zero digits and in between zeros.

2    0   .   8

20.8 has 3 significant figures.

Answer 2

Answer:

$\huge\boxed{3 \ significant \ figures}$

Explanation:

There are 3 significant figures in

 2   0   .   8

According to the rules of significant figures:

=> All non-zero digits are significant.

=> Zeroes that come between 2 non-zero digits are also significant.

So, 3 significant figures in the term 20.8 cm.