4¹¹*4⁻⁹=4¹¹⁻⁹=4²=16
6⁻⁵:6⁻³=6⁻⁵⁻⁽⁻³⁾=6⁻²=1/6²=1/36
(2⁻²)³=2⁻²ˣ³=2⁻⁶=1/2⁶=1/64
(x⁻³)⁴*x¹⁴=x⁻³ˣ⁴⁺¹⁴=x⁻¹²⁺¹⁴=x²
1.5a²b⁻³*4a⁻³b⁴=4*1.5a²⁻³b⁴⁻³=6a⁻¹b=6b/a
(1/3x⁻¹y²)⁻²=(1/3)⁻²x⁻¹ˣ⁽⁻²⁾y⁻²ˣ²=3²x²y⁻⁴=9x²y⁻⁴=9x²/y⁴
=8x²/y
4.6*10⁻⁴*2.5*10⁶=11.5*10⁶⁻⁴=11.5*10²=11.5*100=1150