Answer:
30
Step-by-step explanation:
Evaluate –3ab when a = –2 and b = 5.
-3ab = -3(-2)(5)
-3(-10)
; (-)×(-) = +
-30
-3ab original equation
-3(-2)(-5) . plug in numerical values
6(-5) . -3 times -2 is 6
-30 . 6 times -5 is -30.
