# How many significant figures are in the measurement 811.40 grams?

##### 1 Answer

#### Explanation:

In order to be able to say how many **sig figs** are used for the measurement

non-zero digitsare alwayssignificantatrailing zerothat follows a decimal pointanda non-zero digit is alwayssignificant

In your case, the measurement

#color(blue)(811).color(blue)(4)color(red)(0)#

has **four** non-zero digits and **one** significant trailing zero.

#color(blue)(8, 1, 1, 4) -># non-zero digits

#color(white)(8,1,1,)color(red)(0) -># significant trailing zero

Therefore, you can say that this measurement has **five significant figures**

#811.40 -># fivesignificant figures