## anonymous one year ago Which expression is equivalent to 3^2 ⋅ 3−5? fraction 1 over 3 to the power 3 fraction 1 over 3 to the power 7 fraction 1 over 3 to the power negative 3 fraction 1 over 3 to the power negative 7

1. anonymous

@haseeb96

2. anonymous

@Nnesha

3. Nnesha

when we multiply same bases we should add exponents $\huge\rm x^m \times x^n=x^{m+n}$

4. Nnesha

and then change negative to positive exponent $\huge\rm x^{-m}=\frac{ 1 }{ x^m }$