2√20 and 4*5^1/2. Explanation Below:
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When we simplify 2√20, we get 4√5, and 5^1/2 is √5. Therefore, 4*5^1/2 is 4√5.
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Hope this helps!
Divide the miles already drove by 7 cause thats every 15 minutes what would be drove so mutiply that by 4 and get 68.57 >> 68.6 miles per hour !
The answer may be 7 or 12
There all kinds so it would keep going on with nines
