Question

(3²)¹+2²-12+4×2-5 jerarquias y signos de agrupacion​

Answer 1

(3²)¹+2²−12+(4)(2)−5

=9¹+2²−12+(4)(2)−5

=9+22−12+(4)(2)−5

=9+4−12+(4)(2)−5

=13−12+(4)(2)−5

=1+(4)(2)−5

=1+8−5

=9−5

=4