Let's look at the multiplication exponent rule.
[tex]x^a*x^b=x^{a+b}[/tex]
Meaning that the exponents will add together when the same base is multiplied.
[tex]3^4*3^5=3^{4+5}=3^9[/tex]
Hope this helps.
頑張って!
Answer:
19683
Step-by-step explanation:
3x3x3x3= 81
3x3x3x3x3=243
81x243=19683
