USING LENGTH MEASUREMENTS MADE WITH A CENTIMETER RULER U.S. MINT MEASURED USING CENTIMETER RULER MEASURED USING CENTIMETER RULER COIN Measured MASS m (grams) Measured Diameter d (cm) Measured Thickness t (cm) SIG. FIGS. Dime 2.268 1.76 0.14 Penny 2.500 1.88 0.152 Quarter 5.670 2.36 0.175 coins sig figs CALCULATE Volume , V=(π*(d^2)* t)/4 (cm^3) CALCULATE Mass Density ρ= m/V (grams/cm^3) dime penny quarter

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