( - 7) * ( - 2) * ( - 1) * - 10 pls help me pls ​

Question

`( - 7) * ( - 2) * ( - 1) * - 10`
pls help me pls ​

Answer 1

140

Explanation:

note that (- ) × (- ) = +

(- 7) × (- 2) = (- 1) × - 10 ← evaluate in pairs

= 14 × 10

= 140