Part E $-$ Practice$$multiplying numbers in scientific notation $$

The mass of a high speed train is $4\mathrm{.}5105$ kgkg$,$ and it is traveling forward at a velocity of $8\mathrm{.}3101$ m$/$sm$/$s$.$ Given that momentum equals mass times velocity, determine the values of mm and nn when the momentum of the train $($in kg$$m$/$skg$$m$/$s$)$ is written in scientific notation.

Enter mm and nn$,$ separated by commas.

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m$,$nm$,$n $=$