Calculate (- 1) × (- 1) 2 × ((- 1) 3 × ×(-1)^99×(-1)^100

Calculate (- 1) × (- 1) 2 × ((- 1) 3 × ×(-1)^99×(-1)^100

-The even power of 1 is 1, the odd power is - 1, and the answer is 1