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john math book has a mass of 128.389 grams. what is the mass of his book rounded to the nearest tenth?
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john math book has a mass of 128.389 grams. what is the mass of his book rounded to the nearest tenth?

User Antoine V
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130 grams. Since 8 is in the tens place, it can be rounded off to a 10, but because it is already 128 grams, we round it off to 130
User Tim Roberts
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The answer is 128.4
< 5 the same number ex: 128.347 rounds to 128.3
> 5 round up ex: 128.389 rounds to 128.4
User Tyson Hilmer
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