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Prime numbers between 55 and 90?
57 - 59 - 61 - 67 - 71 - 73 - 79 - 83 - 87 - 89
What are the odd composite numbers between 70 and 90?
The odd numbers between 70 and 90 are 71, 73, 75, 77, 79, 81, 83, 85, 87, and 89. We know right away that 75 and 85 are composite, since they're divisible by 5. 81 is composite since it is the square of 9. 77 is obviously divisible by 11, so it, too, is composite. 87 is divisible by 3 since 8 + 7 = 15, which is divisible by 3. Therefore, and trust me, I double-checked the rest, 75, 77, 81, 85, and 87 are the composite, odd numbers between 70 and 90.
How many prime numbers are there from 2 to 999?
02, 03, 05, 07, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97100~01, 03, 07, 09, 13, 27, 31, 37, 39, 49, 51, 57, 63, 67, 73, 79, 81, 91, 93, 97, 99200~11, 23, 27, 29, 33, 39, 41, 51, 57, 63, 69, 71, 77, 81, 83, 93300~07, 11, 13, 17, 31, 37, 47, 49, 53, 59, 67, 73, 79, 83, 89, 97400~01, 09, 19, 21, 31, 33, 39, 43, 49, 57, 61, 63, 67, 79, 87, 91, 99500~03, 09, 21, 23, 41, 47, 57, 63, 69, 71, 77, 87, 93, 99600~01, 07, 13, 17, 19, 31, 41, 43, 47, 53, 59, 61, 73, 77, 83, 91700~01, 09, 19, 27, 33, 39, 43, 51, 57, 61, 69, 73, 87, 97800~09, 11, 21, 23, 27, 29, 39, 53, 57, 59, 63, 77, 81, 83, 87900~07, 11, 19, 29, 37, 41, 47, 53, 67, 71, 77, 83, 91, 97
What are the prime numbers greater than 70 but less than 100?
71 73 79 83 89 97.
Are 81 and 87 relatively prime?
No. They are both divisible by 3.
Odd numbers from 81 up?
That's an infinite list. 81, 83, 85, 87, 89, 91 and so on.
What is the mean of 61 73 71 80 87 90 90 90 87 83 73 63?
61 + 73 + 71 + 80 + 87 + 90 + 90 + 90 + 87 + 83 + 73 + 63 = 948 / 12 = 79 The average of the numbers is therefore 79.
What is the median of 87 88 81 81 87 62 82 80 88 95 95 88 87 96 86 90 83 99 85 92 94?
The median is 87.
What is the average of 81 83 87 85?
You add up the numbers, then divide by how many numbers you added. Here there are 4 numbers to add up: 81+83+87+85. Use a calculator or do longhand. Then divide the sum by 4 to get the average.
What is the mode of 71 72 78 87 82 78 93 85 and 83?
78
What is the standard deviation of the scores 100 92 94 95 81 82 87 89 71 71 73 61 62 68 51 55?
The standard deviation of the scores 100 92 94 95 81 82 87 89 71 71 73 61 62 68 51 55 is: 15.1921
What is the mean of 81 84 96 93 87 83 85 84 86 87 90?
86.90909090 recurring or 86 and one eleventh.
Find four consecutive odd integers whose sum is 336?
The integers are 81, 83, 85 and 87.
What 3 numbers between .80 and .90?
.81 .82 .83 .84 .85 .86 .87 .89
4 consecutive integers whose sum is 336?
There are four consecutive odd integers: 81, 83, 85 and 87.
What is the mode of 84 71 100 88 23 100 81 93 92 100 87 75?
82.83
Prime numbers between 55 and 90?
57 - 59 - 61 - 67 - 71 - 73 - 79 - 83 - 87 - 89
