The mass of a box is 2.3 kg. Two marbles...

The mass of a box is `2.3 kg`. Two marbles of masses `2.15 g and 12.39 g` are added to it . Find the total mass of the box to the correct number of significant figures.

`2.348kg`

`2.3428kg`

`2.34kg`

`2.31kg`

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