Cuanto equivale 39.9 multiplicado 13 veces? la calculadora no me deja tener tantos números, intento saber que es 3*10 a la 8 dividiéndolo entre 3.99*10 a la 13 grax

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

What happens to an isotope during radioactive decay?