2的M次方=a,16的N次方=b,则2的2m+8n次方=

题目

2的M次方=a,16的N次方=b,则2的2m+8n次方=

答案

2^(2m+8n)
=(2^m)^2×(16^2n)
=(2^m)^2×(16^n)^2
=a^2×b^2
=a²b²