Question

Which expression is equivalent to 3^2 x 3^-1

Answer 1

Answer:

Exponents =

3² x 3^-1 equivalent to 3

why?

let's simplify,

in formula :

$a^b × a^c = a^{b + c}$

$3^2 × 3^{-1}= 3^{2 + (-1)}$

$3^2 × 3^{-1}= 3^{1}$

when 3¹ is equivalent to 3