Question

How many significant figures are in the measurement 811.40 grams?

Answer 1

Answer:

There is 5 significant figures in 811.40 grams

Explanation:

The significant figures are units that can be taking into account to write a figure.

Exists two general rules for it:

1. The numbers including zero (0) that are to the right  of the figure are counted as a significant figure example: 345.60 has 5 significant figures

2. The zero (0) that are to the left of the figure are NOT counted as a significant figure example: 0.005 has 1 significant figure

Answer 2

There are 5 significant figures in this number because the zero counts and it  comes after a number and on the right of the decimal point