The particle of dust has mass of 7.3 x 10 to the negative 10th power kilograms find the mass of 5 billion dust particles

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Step-by-step explanation:

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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