450 plastic buttons 80 MG a. what is the total weight of all the buttons in the box
b. calculate approximately how many butto

450 plastic buttons 80 MG a. what is the total weight of all the buttons in the box
b. calculate approximately how many buttons make 1000mg?
these buttons were packed in small boxes.each of the small boxes weighs 3600mg.
c. how many such boxes are needed to pack the buttons?​

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