The admission price is $6 and the rides are $2 each.
The to that problem is 56
First answer is 27
Multiply -3 with -1
Then multiply it to the 3rd power.
2nd answer is 1 / 1296
First add the expoinents
-12 +8 = -4
Then you would need to do the equation
6^-4 x 6^0
And this would equal 1/1296
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The correct answer is C and D .

We have that

, which means

reduces to

when

, or reduces to

when

.
So we can expand the summation as

Notice that the 10 contributes a total of 30 from the first sum, and -30 from the second sum, so those terms cancel, leaving us with