What is the 1999 power of (-0.125) multiplied by the 2000 power of (-8)?

What is the 1999 power of (-0.125) multiplied by the 2000 power of (-8)?

(-0.125) To the 1999th power multiplied by (-8) to the 2000th power
1999Th power of =[(-0.125)×(-8)]×(-8)
1999Th power of =(-1)×(-8)
=(-1)×(-8)
=8

How much is (two-thirds) of the 1998 power multiplied by (1.5) of the 1997 power multiplied by (-1) of the 1999 power?

(Two thirds)^1998×(1.5)^1997×(-1)^1999
=2/3×2/3^1997×1.5^1997×(-1)
=2/3×(2/3×1.5)^1997×(-1)
=-2/3×1
=-2/3