(1) 2^5div 2^3= (2) (-2)^3div (-2)^3= (3) -2^5div 2^3= (4) -(-2)^3div (-2)^3= (5) -(-2)^3div 2^3= (6) (-3)^8div 3^5= (7) (-3)^5div 3^8= (8) -(-3)^2div (-6)^3=

(1) $2^{5}\div 2^{3} = 2^{5-3} = 2^{2} = 4$<br /><br />(2) $(-2)^{3}\div (-2)^{3} = (-2)^{3-3} = (-2)^{0} = 1$<br /><br />(3) $-2^{5}\div 2^{3} = -2^{5-3} = -2^{2} = -4$<br /><br />(4) $-(-2)^{3}\div (-2)^{3} = -(-2)^{3-3} = -(-2)^{0} = -1$<br /><br />(5) $-(-2)^{3}\div 2^{3} = -(-2)^{3-3} = -(-2)^{0} = -1$<br /><br />(6) $(-3)^{8}\div 3^{5} = 3^{8-5} = 3^{3} = 27$<br /><br />(7) $(-3)^{5}\div 3^{8} = (-3)^{5-8} = (-3)^{-3} = \frac{1}{(-3)^{3}} = \frac{1}{-27} = -\frac{1}{27}$<br /><br />(8) $-(-3)^{2}\div (-6)^{3} = -(-3)^{2-3} = -(-3)^{-1} = -\frac{1}{(-3)} = \frac{1}{3}$