312
0.861561 and 167.138439 (to 6 dp)
647
28
80+20 (and) 80*20(* means times)
The numbers are 26 and -14
4 x 25 = 100! Also there is 1 x 100 = 100!
74
647
41
not that it's our policy to finish homework but -24, -6
28
-188
80+20 (and) 80*20(* means times)
25
The numbers are 26 and -14
-1
13.574813431681335 and 16.574813431681335 Also -13.574813431681335 and -16.574813431681335
The factor pairs of 1600 are (1600,1)(800,2)(400,4)(320,5)(200,8)(160,10)(100,16)(80,20)(64,25)(50,32)(40,40) None of them add up to 60.