The value of uqpv is 1.
In order to find this, it is important to note the associative property of multiplication. This states that we can group numbers in any order of multiplying and it still equals the same. Therefore, we can assume:
uqpv = (pq)(uv)
We also have values for pq and uv. So we plug in and solve.
(pq)(uv) = uqpv
(23)(1/23) = uqpv
1 = uqpv