Answer:
17.67 mpg
Step-by-step explanation:
The fuel efficiency is given by :

We need to find the fuel efficiency for a speed of 30 mph
Put the value of s equals 30 mph in the above equation.

So, the required fuel efficiency is equal to 17.67 mpg.
The scientific notation:


Used:

Answer: (4 × 10⁸)² = 1.6 × 10¹⁷
Yes! Debit you need a pin but credit you do not.
Answer:
7²
Step-by-step explanation: