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denise's rock sample weighs 684 grams. pauline's rock sample weighs 29,510 centigrams how much heavier is denise's sample than pauline's

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Denise's rock = 684 g
Pauline's rock = 29510 cg = 295.1g

684 - 295.1 = 388.9g

Denise's sample is 388.9g heavier than Pauline's
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