Krinkles potato chips is having a "Lucky Seven Sweepstakes." The one grand prize is $70,000; 7 second prizes each pay $7,000; 77 third prizes each pay $700; and 777 fourth prizes each pay $70. What is the expectation of this contest, if there are 6 million entries? Please round your answer to the nearest cent.
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$__________
Fill in the blank(s) with the appropriate word(s).
0.04
Mathematics
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Express the sum in sigma notation.- 
+ 
- 
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and simplify the expression.
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?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.A right triangle has an area of 11 square inches. The square of the hypotenuse is 125. Find the lengths of the legs of the triangle. Round your answer to the nearest inch.
A. 2 inches and 11 inches B. 4 inches and 5.5 inches C. 1 inches and 22 inches D. 4 inches and 121 inches
Mathematics
Provide an appropriate response..True or false: The solution of the equation 7y - 6 = 7y + 3 is zero.
What will be an ideal response?
Mathematics