Find Both the Number of Combinations and the Number of Permutations

Short Answer

Find both the number of combinations and the number of permutations for the given numberof objects. 11 objects taken 7 at a time A) ${ } _ { 11 } C _ { 7 } = 7920$
${ } _ { 11 } P _ { 7 } = 39,916,800$

B) ${ } _ { 11 } C _ { 7 } = 330$
${ } _ { 11 } P _ { 7 } = 1,663,200$

C) ${ } _ { 11 } C _ { 7 } = 39,916,800$
${ } _ { 11 } P _ { 7 } = 7920$

D) ${ } _ { 11 } C _ { 7 } = 1,663,200$
${ } _ { 11 } P _ { 7 } = 330$