Answer
$11$
Work Step by Step
The product of two numbers with the same sign can be found by performing the following steps:
(1) Multiply their absolute values.
$|-11| \cdot |-1| = 11 \cdot 1 = 11$
(2) The product is positive.
$-11(-1) = 11$
Thus, the product of the given numbers is $11$.
