Step-by-step explanation: Diego should have added the exponents instead of multiplying them. I know it sounds weird but because both of the numbers are 2's you are able to combine them. When multiplying them together you should keep the base the same and add the exponents. In this case, 2^2 x 2^3 would be 2^5. Hope this helps.
Answer: 190 minutes because if you divide 76 by 8 you get 9.5 which would be 9.5 minutes every mile so then since every mile is 9.5 minuets you multiply that by 20 and get 190 so it would be garret rode his bike 20 miles in 190 minutes
