Se desea saber cuánto cuesta embaldosar un patio de 0,345 dam2 conbaldosas cuadradas de 25 cm de lado, si la mano de obra por metrocuadrado es de $1450 y el centenar de baldosas cuesta $7.500

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z