Question

I don't know if I have the right to ask for help, but I can't solve this exercises, it may not be complex for some, but I have some difficulties ...
The exercises are these:

Formulas:
Cube volume: V = a³
Cylinder volume: V = πr².h
Parallelepiped volume: V = a.b.c

1) Three lead cubes have 6cm, 8cm and 10cm edges, respectively, are merged into a single cubic piece. What is the volume of the single cubic piece?

a) 1728 cm³
b) 1542 cm³
c) 1312 cm³
d) 1200 cm³

2) A can of canned peas in a cylindrical shape has dimensions of 8 cm in diameter and 10 cm in height. Calculate the volume of this can.

a) 502π cm³
b) 430π cm³
c) 275π cm³
d) 160π cm³

3) Determine the volume of an aquarium in the form of a straight parallelepiped, 40 cm high and a horizontal rectangular base with sides measuring 70 cm and 50 cm.



it's my first time here on the brainly site..
but I thank you in advance, thank you!
I don't really know how it works, but I'll give all my points, I don't mind giving them all.

Answer 1

Answer:

Formulas:

Cube volume: V = a³

Cylinder volume: V = πr².h

Parallelepiped volume: V = a.b.c

Answer 2

Step-by-step explanation:

$hope \: this \: help \: u$