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Why are mass numbers whole numbers?
mass numbers are whole numbers because the mass number is number of protons in an atom, plus the number of neutrons. you can only have a whole neutron and or proton, therefore, all mass numbers are whole numbers.
What is the sum of all the numbers from 1 to 1 million for example 1 plus 2 plus 3 plus 4 plus 5... to 1 million?
500,000,500,000 is the answer.
What mass number is calculated by adding the numbers?
the mass number of an atom is the number of protons in an atom, plus the number of neutrons.
If 1 plus 3 plus 5 plus 7 plus 9 plus 11 plus 13 plus 15 plus 17 plus 19 equals 100 then choose five numbers from this such that sum of them is 50?
Impossible. They are all odd numbers. The sum of 5 odd numbers is also an odd number and cannot therefore total 50.
If x is a rational number and y is a rational number than is x plus y rational?
If both numbers are rational then x plus y is a rational number
How can you write each number in stardard form example 300000 plus 70000 plus 1000 plus 500 plus 10?
Standard form is the sum of all the numbers in the expanded form. Using the example, the standard form for the expansion of that number would be 371,510.
How can you find the mean a question?
You can find the mean by adding the numbers and dividing that number by how many numbers their is. For example 2 plus 5 plus 2 equals 9 and because there is the three numbers 2 5 and 9 you divide 9 by 3 and get 3 as an answer. This an a example as to how you find the mean.
Why is it when you multiply two prime numbers you get a number with three or four factors?
If the two prime numbers are different: You get the two prime numbers, plus 1, plus the product. For example, if you multiply 2 x 3 = 6, the factors of 6 are 2, 3, 1, and 6. If the two prime numbers are the same: You get the prime number, 1, and the product. For example 2 x 2 = 4. The factors of 4 are 2, 1, 4.
If you have a product of two numbers and you find the product of the opposites of the numbers you get the same result.?
yes. An opposite number is the negative of a positive number, for example -5 and +5 are opposite numbers. Since minus x plus is minus and plus x minus is minus and plus x plus is plus and minus x minus is plus then the product of opposites is the same.
Does a negative number plus a positive number equal a positive or a negative number?
It can be positive, negative, or zero, depending what numbers you add. for example, -5 + 3=-2 but -3 +5=+2
What are prime number and composite numbers?
a prime number is a number that you can plus by one
Write each factor as a polynomial in descending order x2 plus 14x plus 24?
The polynomial IS written in descending order.
What does a negative number plus a positive number equal?
In this case, it would depend on how high thepositive number is. for example: negative 10 plus positive 12 would equal positive 2 because the ten negative numbers would cancel out ten of the positive twelve numbers. So the answer would be a positive number but ONLY IF you could take the sign away from the number and the positive number was higher.
Is it true that adding any two prime numbers results in a unique number for example 3 plus 7 equals 10 and no other prime numbers can be added together to get 10?
But 5+5 = 10 and 5 is a prime number
Why 9342 is divisible by 9?
To find out if a number is divisible by 9 u add the numbers together for example 9 plus 3 is 12 plus 4 is 16 plus 2 is 18 and 18 is divisible by 9 so so is tht large number:) the answer is 1048:))
What difference does it make if the decimal is placed before or after the number?
If the number is before the decimal, it is a whole number. The numbers after the decimal represent fractions of whole numbers. For example if you had to work 8.5 hours, you would work 8 whole hours plus one half hour.
What is the mean of 70 plus 70 plus 70 plus 10 plus 10 plus 8 plus 4 plus 18 plus 5 plus 40?
The mean of a set of numbers is the average. That is to say, all the numbers added together and divided by the number of the numbers. the answer is 30.5
