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i need help please what si unit do i use to messure the mass of a coin i believe that you would have to use grams but i believe i could be mistaken

Thanks

also how woul i calculate the weight of a lump of metal of mass 3.4 x 10 to the power of -six

I forgot what is the equation to find density of metal and weight of metal under water

i do not want the answer just a step in the right direction

Thanks

also how woul i calculate the weight of a lump of metal of mass 3.4 x 10 to the power of -six

I forgot what is the equation to find density of metal and weight of metal under water

i do not want the answer just a step in the right direction

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