问题
解答题
计算:
(1)(-2a2b)2•(-2a2b2)3=______
(2)(3×102)3×(-103)4=______
(3)[(-3mn2•m2)3]2=______
答案
(1)(-2a2b)2•(-2a2b2)3,
=4a4b2•(-8a6b6),
=-32a10b8;
(2)(3×102)3×(-103)4,
=(27×106)×(1012),
=2.7×1019;
(3)[(-3mn2•m2)3]2,
=(-3mn2•m2)6,
=(-3)6m6n12•m12,
=729m18n12.