Which expression is equivalent to 9^5×9^3

How many degrees does the hour hand move from 3: 00 to 5: 30?

Find the sum to the equation 3+6+9+

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?