So x should be equal to -2 when you equal them to each other.
Your answer would be 0.315 because:P(2\ spades)=\frac{13C2\times 39C4}{52C6}=0.315
Answer:

Step-by-step explanation:

Step-by-step explanation:
Step 1:
A . 5 with an exponent of 3 times 5 with an exponent of -4
=
=
=
= 1/5
B . (1/4) with an exponent of 3 times (1/4) with an exponent of 2
=
C. Same as above
D. 
Step 2 :
All the above expressions have a value between 1 and 2