If no digit can be used more than once, how many digits numbers can be formed using only the digits 1,2,3,4,5,6,7?

You have just applied, and have been approved for a $58,000 mortgage. the rate quoted to you by the lender is 6.1% for a 30 year fixed mortgage. determine how much of your third month’s payment goes towards the principal. $56.65 $56.93 $57.22 $57.51