Ayuda por favor es para mañana
1) se dispone de un cuerpo cilíndrico de 15cm de alto y 2cm de radio su masa es de 300g, ¿que densidad tiene?
2) una esfera de 40g de masa y su densidad es de 5gr/cm^(3) ¿cual es su radio?
3)en que medida y cuantas cifras significativas hay en estas cantidades. a)5,3451 m b)53,2 kgc)18,27 s.
4)8000 mm transformar a m considerando c. s.
5) a 15 m/s cuánto tardaría un motociclista en atravesar 2km si su velocidad es constante

question1

1,000 tons

question2

3: 8

question 3

store d

step-by-step explanation:

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.