(1)4的7次方*4的6次方
=4^(7+6)
=4^13
(2)(-2/3)的4次方*(-2/3)的2次方
=(-2/3)^(4+2)
=2/3^6
(3)(-11)的3次方*(-11)的4次方
=-11^(3+4)
=-11^7
(4)-x*x的5次方
=-x^(1+5)
=-x^6
(1)4的7次方*4的6次方
=4^(7+6)
=4^13
(2)(-2/3)的4次方*(-2/3)的2次方
=(-2/3)^(4+2)
=2/3^6
(3)(-11)的3次方*(-11)的4次方
=-11^(3+4)
=-11^7
(4)-x*x的5次方
=-x^(1+5)
=-x^6