What is the coefficient of the fourth term in this expression?–2+6ab–4bc–aSave answer

The coefficient of the fourth term in the expression –2+6ab–4bc–a is -1.

Here's the step-by-step explanation:

1. Identify the terms in the expression. The terms are -2, 6ab, -4bc, and -a.
2. Identify the fourth term. The fourth term is -a.
3. Identify the coefficient of the fourth term. The coefficient is the number that is multiplied by the variable. In this case, the coefficient is -1 because -1*a equals -a.