It depends on the units of 1.08*108. The answer will be very different if that is the number of metres or light years!
108000000 = 1.08 x 108
8 to the 8th power
4 to the 8th power is 65,536
121 to the 8th power is 45,949,729,863,572,161
36 to the 8th power is 2,821,109,907,456
40 to the 8th power equals 6,553,600,000,000
The product of 3 to the 8th power is 6,561
2 to the 8th power equals 256.
10 to the 8th power divided by 10 to the 7th power is 10
The decimal equivalent of 10 to the 8th power is 100,000,000
6 to the negative 8th power equals 5.9537418076512726718488035360463e-7
the 11th root of 10 to the 8th power is 5.336