Final answer:
To evaluate 12yz when y=35 and z=-178, substitute the values of y and z into the expression to get -88920.
Step-by-step explanation:
To evaluate 12yz when y=35 and z=-178, we simply substitute the values of y and z into the expression.
12yz = 12 * 35 * (-178) = -88920.
Therefore, the value of 12yz when y=35 and z=-178 is -88920.