Answer:
27 cubic meters
Step-by-step explanation:
The surface area of this cube is 54 square meters.
Given a cube of side length s,
- Surface Area

Therefore:

Volume of a Cube of side length s 
Volume of the cube 
=27 cubic meters
The volume of the cube is 27 cubic meters.
Lol the first answer the pic is so funny
1) Answer: 
<u>Step-by-step explanation:</u>
f(x) = 6x⁻¹
f'(x) = -6x⁻²
= 
f'(-2) = 
= 
= 
*****************************************************
2) Answer: 
<u>Step-by-step explanation:</u>
f(x) = -9x⁻¹
f'(x) = 9x⁻²
= 
f'(6) = 
= 
= 
Answer:
3
Step-by-step explanation:
Both of them are 3, because 1000 have 3 zeros :)
Hope this helps!!
-Ketifa