I don’t. Know i really want to helps you but I don’t know
The final answer is 24 pink roses (1.6 * 15) I got 1.6 from 5/3
You can write 5 to the negative fourth power as 5^(-4). In cases, when you have negative power, you just have to put 5^4 in the denominator. So, instead of 5^(-4), you have 1/(5^4).
5^4 equals to 625.
In the last step you have to divide 1 by 625.
The result is 0.0016.
The answer is HC, HT, HH, CC, CT, CH, TC, TT, TH