The volume of a rectangle QQQ in Rn\mathbb R^nRn is the product of the lengths of the component intervals of QQQ: vol(Q)=(b1−a1)⋯(bn−an).\text{vol}(Q) = (b_1-a_1)\cdots(b_n-a_n).vol(Q)=(b1−a1)⋯(bn−an).
Wikidata ID: Q39297