Simplify. 3^2 · 3^4 · 3^6 a) 30 b) 310 c) 312 d) 348

The answer must have to be 348 if im wrong i apolagize

Remember
(x^m)(x^n)=x^(m+n)

so
(3^2)(3^4)(3^6)=3^(2+4+6)=3^10=531441

well, I don't see 531441 in the options but I do see 310 whic probably represents 3^10

answer is B