Question

urgent va rog! vreau pana maine raspuns..​

Answer 1

Explicație pas cu pas:

$a) {2}^{5} \times {2}^{7} = {2}^{5 + 7} = {2}^{12}$

$b) {( - 5)}^{2} \times {( - 5)}^{5} = {( - 5)}^{2 + 5} = {( - 5)}^{7}$

$c)( - 3) \times {( - 3)}^{6} = {( - 3)}^{1} \times {( - 3)}^{6} = {( - 3)}^{1 + 6} = {( - 3)}^{7}$