Remark
Change of Momentum has the formula of
Ft = mv - mv1 where mv - mv1 is the change in momentum.
So all you have to do is multiply the values of F and t together.
Givens
F = 1 * 10^2 N
t = 1 * 10^-4 seconds
Solution
Ft = 1 * 10^2 * 1 *10^-4
Ft = 1 * 10^-2 kg*m/s