
Rewrite the term 

Expand each term so we have

Use the fact that 

Use the fact that
when a is an even number

Simplify


Let me know if you need any clarifications, thanks!
Step-by-step explanation:
i am not sure what your first line says. but the answer should be correct
Answer:
2.1 miles an hour
Step-by-step explanation: 1 3/4 / 50 = 0.035
0.035 a minute
0.035*60=2.1
2.1 miles an hour
Answer: add exponents. Follow the order of operations. PEMDAS
Step-by-step explanation:
Of what? You didn’t write the question honey