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Find the answers to five, six and seven questions.
5. Is that the fifth power of X? If so, the answer is (-x) to the 7th power. Forgive me, the computer can't type this symbol.

6 is actually the ninth power of 10 divided by the seventh power of 10, and the answer is 100.

7, because 5x-3y=2, the answer is 100, which is the quadratic of 10.