a = 600^4500
==> log a = 4500 log 600 = 12501.68063b = 2400^3600
==> log b = 3600 log 2400 = 12168.76047c = 3600^2400
==> log c = 2400 log 3600 = 8535.126002d = 4500^600==> log d = 600 log 4500 =2191.927508As log a > log b > log c > log dTherefore, a > b > c > dThat is, 600^4500 has the greatest value.