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No. The signs of the exponents don't affect the add, subtract, multiply, or divide operations.

( 8-1 ) x ( 8-2 ) = ( 1/8 ) x ( 1/82 ) = ( 1/8 ) x ( 1/64 ) = 1/512 = 0.00195 (rounded)

Another way to do it:

( 8-1 ) x ( 8-2 ) = ( 8-3 ) = ( 1/83 ) = 1/512

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Q: If you have a 8 to the -1 power times 8 to the -2 power would you get a positive?
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