En una cámara de frío baja la temperatura a razón de 4° C por minuto. Si la temperatura que registra es de 18°C. ¿En cuantos minutos lograra los 10°C bajo cero?

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

50 points~ ! i have to turn this in tomarrow