The value of $[(-16)\times (-3)]÷[(-12)\times 4]$ is

$[(-16)\times (-3)]÷[(-12)\times 4]$

$[-16\times -3]÷[-12\times 4]$

The product of two negative integers is positive. The product of a negative integer and positive integer is negative.

$48÷-48$

$=\frac{48}{-48}$

$=-1$