Round the number 3406 to three significant figures

1st figure. 3410

2nd figure. three thousand four hundred ten

3rd figure. 3000 + 400 + 10

Explanation:

these are three different figures hope this helps! sorry of I'm wrong and didnt understand the question !!

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

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