# Question #fcd25

May 7, 2017

Three.

#### Explanation:

When counting the number of significant figures in a decimal number, you start counting from the right of the decimal point.

$\cancel{0} \textcolor{red}{.00203}$

Counting from left to right from the decimal point , there are 5 digits.

However, the zeroes before any natural number is not counted as a significant figure.

$\cancel{0.00} \textcolor{red}{203}$

Thus, there are $\textcolor{red}{3}$ significant figures ie. 203.

Note: any other numbers added to the right of $0.00203$ is also counted as a significant number.

eg. $0.002031$ has 4 significant figures.
eg. $0.002030$ has 4 significant figures.