Question

What is the value of the shown expression? 33 x 3-2 A) -54 B) -243 C) 243 D) 3

Answer 1

We have the following general rule for exponents:

`a^n\cdot a^m=a^(n+m)`

then, in this case we have the following:

`3^3\cdot3^(-2)=3^(3+(-2))=3^(3-2)=3^1=3`

therefore, the answer is 3