1 of 2: going from the bottom the left the numbers are 2 -5 -4 -4 next level is -10 20 16 next -200 320 finally is -64000
2 of 2: if there is an odd ( 1,3,5 etc.) number of negative numbers the product will be negative. If there’s an even (2,4,6 etc.) number the product will be positive Ex: -4 x 5 x 6 will have a negative product
