Can a rational number with rational exponent be irrational

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

If 25% of y is 30, what is 60% of y?