It is: 55% = 11/20 as a simplified fraction
55/100factor out a 55*11/5*205 can be eliminated as a common factor in both numerator and denominator11/20======simplest form
55cm x 40cm x 20cm = 44000cm3 44000cm3 is equal to 2685.056in3
combinations of 55If there is not repetition in numbers used......55 x 54 x 53 x 52 x 51 * * * * *No. That is the number of permutations. For combinations the order of the number does not matter so that 1,2,3,4,5 is the same as 1,3,2,4,5 or 1,4,2,3,5 etc.There are 5*4*3*2*1 = 120 such orderings for every set of 5 numbers. So the correct answer is55*54*53*52*51 / 120 = 3478761