题目下列运算一定正确的是（ ）A.2a⋅3a=6a2a\cdot 3a=6a2a⋅3a=6aB.a2⋅a3=a6a^{2}\cdot a^{3}=a^{6}a2⋅a3=a6C.(ab)2=a2b2(ab)^{2}=a^{2}b^{2}(ab)2=a2b2D.(a3)2=a5(a^{3})^{2}=a^{5}(a3)2=a5知识点：幂的乘方与积的乘方、单项式乘单项式、整式的除法章节：未标注
