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How many different ways can 15 be written as the sum of 4 different counting numbers?
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∙ 11y ago
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Addison Pajerski
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∙ 11y ago6
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How many different ways can 15 be written as the sum of 4 different counting numbers assume the order does not matter?
6.
How many three-digit counting numbers are not multiples of 5?
There are 720 of them.
How many four-digit counting numbers are not multiples of 10?
8100
How many three-digit counting numbers are not multiples of 2?
The 3-digit counting numbers are 100 through 999 = 900 numbers.Half them are multiples of 2 (even numbers).The other half are not . . . 450 of them.
How many two digit counting numbers are either multiples of 2 or multiples of 3?
60 numbers
How many different ways can 15 be written as the sum of 4 different counting numbers assume the order does not matter?
6.
Are integers counting numbers?
No- not exactly. Negative integers are not counting numbers. Positive integers are identified with counting numbers. Many authors like to start with zero as a counting number.
How many counting numbers are 2 units away from 4?
2: the counting numbers 2 and 6.
How many counting numbers are there?
100
How many numbers are in the counting system?
There are an infinite amount of numbers
How many different 8 digit numbers are there for numbers 0 -9?
They're all the counting numbers from 10,000,000 to 99,999,999 .That's all the counting numbers up to 99,999,999 (100 million of them) minusthe first 9,999,999 (10 million of them), and that leaves 90 million .
How many counting numbers less than 20 have an odd number of different factors?
Four of them.
How many four digit counting numbers are not multiple of 5?
There are 7200 such numbers.
How many nunbers are there each of three different digit if the first digit cannot be zero?
You're describing all of the counting numbers from 100 to 999.That's all of the counting numbers up to 999, except for the first 99.So there are 900 of them.
How many counting numbers less then 30 are composite but nei ther odd or even?
None of them. All counting numbers are either odd or even.
How many counting numbers less than 30 are composite but neither odd nor even?
None. All counting numbers are even or odd.
How many 3 digits numbers can be formed from numbers 0-9?
The 3-digit numbers are all the counting numbers from 100 to 999.That's (the first 999 counting numbers) minus (the first 99 of them).There are 900 of them.
