Question

me ajuda por favor√49-(-7).(+6)-(-4)¹+(-2)0=

Answer 1

$\sqrt{49} - ( - 7) \times ( + 6) - ( - 4) {}^{1} + ( - 2)0 =$

$7 + 7 \times 6 - ( - 4) + 0$

$7 + 42 + 4$

$53$