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Simplify the expression to a form in which 2 is raised to a single integer power.

(2 the power 5)power 3 on the outside 2 negative power 7 with a division line underneath this 2 negative power 6

a. 2 to the power 8

b. 2 to the power 15

c. 2 to the power 14

d. 2 to the power 9