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r = 2 cm
d = 8.9 g/cm³
m = ?
CALCULO DEL VOLUMEN
V = π*r²*L
V = (3.1416)*(2 cm)²*(15 cm)
V = 47.124 cm * 4 cm²
V = 188.496 cm³
CALCULO DE LA MASA
d = m/V
m = d*V
m = (8.9 g/cm³)*(188.496 cm³)
m = 1677.614 g