It is: 6.04*10^2
There is little point is writing it in scientific notation since that is longer and more cumbersome that the given number. However, it is 6.174 798 604 *109.
To write 604 in scientific notation, move the decimal point to the right until there is only one non-zero digit to the left of the decimal. So, 604 becomes 6.04. Then, count the number of places the decimal point moved. In this case, it moved two places. Finally, express it as 6.04 × 10² or 6.04e2 in scientific notation.
6.04*102 ly
It is difficult to see why you would do a multiplication using subtraction but one possible answer is: 8 * 604 = (10-1-1)*604 = 10*604 - 1*604 - 1*604 = 6040 - 604 - 604 = 4832
6.04*102 light years
6.04 m
604
It is: 604/2 = 302
604
600
The positive integer factors of 604 are: 1, 2, 4, 151, 302, 604
778