how many different 10 letter words (real or imaginary) can be formed from the following letters? k, y,t, g,w, c,y, d,a, a

    The # of ten letters words that can be formed   =       10! =   907,200                                                                                             2!2!    factorial    10! means      >      10 . 9 .8 .7 .6 .5 .4 .3 .2 .1     hench there are     907,200 ways

B. because the 7 represents "seven times", x represents "a number", 12 represents "plus twelve", and -4 represents "minus four"

The answer should be 5.