Answer:

Step-by-step explanation:
Apply exponent rule: 

Answer:
A
Step-by-step explanation:
Metal is stronger than plastic, but it is also much heavier.
The key idea in this paragraph is to highlight how to transport the required materials while reducing the weight as much as possible so orbital velocity can be achieved while breaking through the resistance of the atmosphere.
This statement is the key one because it gives engineers the problem they need to find the answer to make the space exploration a reality.
Answer:
yo
Step-by-step explanation:
how are you? where are you from?