Am I correct? Images below. Tysm =) If it is wrong, then what's the answer?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100