The events are dependent.
When the first card is not replaced, you change the probability of the second card. At the very least, you have changed the total number of cards to draw from.
10%
= 10/100
= 1/10
10% in its simplest form is 1/10~
The GCF of 8 and 6 is two
Sometimes writing can be an issue. Finding inspiration can be difficult... Might I suggest... A mystery perhaps. Or a fantasy.