Mean = (85+82+84+77+82+88)/6 = 498/6 = 83
85
85*73 = 6205
100*82/85 = 96.47% (to 2 dp)
60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
There is no mode.
24. It is the difference between 97 and 73, the highest and lowest numbers in the set.
It is 83.
64 - 69 - 73 - 77 - 81 - 85 = -321 if carried out from left to right. Subtraction is not an associative operation if the question was about any other expression then more information is required.
Mean = (85+82+84+77+82+88)/6 = 498/6 = 83
85
85*73 = 6205
composite numbers are numbers that can be divided by something other than one. in other words, non-prime numbers. thus, these numbers are composite numbers: 86, 96, 85, 87, 99, 100, 82, 84 and these are not composite numbers: 67, 73
100*82/85 = 96.47% (to 2 dp)
60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
The only factor 73 and 85 have in common is 1.
64 ÷ 100 × 85 = 54.4