(upe) terremotos são eventos naturais que não têm relação com eventos climáticos extremos, mas podem ter consequências ambientais devastadoras, especialmente quando seu epicentro ocorre no mar, provocando tsunamis. uma das expressões para se calcular a violência de um terremoto na escala richter é onde m é a magnitude do terremoto, e é a energia liberada (em joules) e e0 = 104,5 joules é a energia liberada por um pequeno terremoto usado como referência. qual foi a ordem de grandeza da energia liberada pelo terremoto do japão de 11 de março de 2011, que atingiu magnitude 9 na escala richter?

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next