Answer:
The Answer to 17 1/3 x 8 is 138.67
There is not enough context to answer the second question.
I believe the answer is 28.27, or 28.3
Answer:
The odds to get a blackjack (natural) as arrangement: 128 / 2652 = . 0483 = 4.83%. 4.83% is equivalent to about 1 in 21 blackjack hands.
36 = 1/2 (AE - 26)
72 = AE - 26
98 = AE
the error is that they didnt add the exponets