The half-life of radium-224 is approximately 3.66 days, Step 3 of 3: How much of a 5 gram sample of radium-224 would remain after 2 days? Round to three decimal places.
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grams

because they could drop even lower..

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

i am not sure :

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