Question

3的a次方等于5,9的b次方等于10,那么3的a+2b次方等于多少?要有过程,谢谢~\(≥▽≤)/~啦啦啦

Answer 1

3^a=5

9^b=10 (3^2)^b=3^2b=10

3^a+2b=3^a*3^2b

=5*10

=50