Question

. 2- 7 13 x (-20) + (-16) - 7​

Answer 1

$2 - 7 \times 13 \times ( - 20) + ( - 16) - 7 \\ \implies2 + 1820 - 16 - 7 \\ \implies1822 - 23 \\ \implies1799$

so 1799 is your answer

Answer 2

2−7×13×(−20)+(−16)−7

⟹2+1820−16−7

⟹1822−23

⟹1799

Ans is 1799