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Calculate the percent abundance of each isotope by dividing its number of particles by the total number of

particles and multiplying by 100. Record your answers on the Data Table.

A= Nuts=50/11 x 100=454.45 Bolts=50/22 x 100=227.27  Washers=50/17 x 100=294.1176

On the chart the decimal point is different than above calculations - why?

On the chart it shows 45.4 for nuts, 22.2 for bolts, 29.4 for washers.

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