(2) Two (-6/7) negative husbands are positive (6/7) 2, so multiply by one = (6/7) 3.

The third power of (-5) is odd, so it is still minus three (5) times =- 15.

Twice 1.2 = 1.44.

Four (-2/3) times four is even, so it is positive 16/8 1.

(4*2) 2 Because 4*2 is in brackets, calculate 4*2=8 first, just like an 8 times 64.

16/(-2) 4 Because (-2) 4 is one level higher than multiplication and division, let's calculate it first. (-2) Quadratic multiplication equals 16 16 divided by 16 equals 1.