Write in terms of factorials: `5xx10xx15xx20`

Write in terms of factorials: 6xx7xx12xx10

Write in terms of factorials: 6xx8xx7xx9

Write in terms of factorials: 3xx6xx9xx12xx15

Find the factorials of 6xx20xx8xx42

Find the factorials of 15xx8xx6

Find the factorials of 3xx8xx5

Find the factorials of 10xx12xx6

Find the factorials of 6xx7xx8xx9xx5

Find the sum to n terms of the series : 1xx2xx3 + 2xx3xx4 + 3xx4xx5 + ...

The uncertainty in momentum of an electron is 1xx10^(-5) kgms^(-1) . The uncertainty in its position will be (h= 6.62xx10^(-34) Js)