Which is the correctly punctuated sentence?

Juan plans to travel from Santa Fe$,$ New Mexico, to Boulder, Colorado, for business.

Juan plans to travel from Santa Fe New Mexico to Boulder Colorado for business.

Juan plans to travel from Santa Fe$,$ New Mexico to Boulder, Colorado for business.

Which is the correctly punctuated sentence?

We have $10000$ employees.

We have $10,000$ employees.

We have $100,00$ employees.

Which is the correctly punctuated sentence?

Before she left for the business trip, she e$-$mailed her travel plans to her team.

Before she left for the business trip she e$-$mailed her travel plans to her team.

Before, she left for the business trip she e$-$mailed her travel plans to her team.