Question: What numbers can add up to 7?

What can you multiply to get 7?

Number 7 has infinite multiples as it can be multiplied with any whole number and we have infinite whole numbers. A multiple can be the common multiple of two or more numbers. Example: 20 is the common multiple of 2, 4, 5, 10,and 20.

First 20 Multiples of 7.

Multiplication Multiples of 7
7 × 20 140

What two numbers add to 7 and multiply to negative 18?

The only answer left is (2, 9) but you must put the negative sign so that it multiplies to -18 and add to -7. Since one negative sign times a positive number is a negative number, you only need to put one negative sign on 2 or 9. The answer is either 2 – 9 = -7 OR -9 +2 = -7.

What are the numbers we add?

Addition. When two numbers are added together, the result is called a sum. The two numbers being added together are called addends.

Is a multiple of 7?

Multiples of 7 are 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, … and so on.

What can be multiplied to get 81?

The numbers which we multiply to get 81 are the factors of 81. Factors of 81 are 1, 3, 9, 27, and 81. 1 is a universal factor. It is a factor of all numbers.

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What can you add to get 18?

Factors of 18:

Testing the integer values 1 through 4 for division into 18 with a 0 remainder we get these factor pairs: (1 and 18), (2 and 9), (3 and 6). The factors of 18 are 1, 2, 3, 6, 9, 18.

What numbers add to and multiply to 36?

6 x 6 = 36.

For 36, all of the possible factor pairs are listed below:

  • x 36 = 36.
  • x 18 = 36.
  • x 12 = 36.
  • x 9 = 36.

What is sum in addition?

The sum of two numbers is the answer you get when you add them both together. So the sum of 5 and 4 is 9. There was a time when teachers used the word ‘sum’ to name the following addition number sentence: 9 + 5 = 14.

How do you add up?

If you need to sum a column or row of numbers, let Excel do the math for you. Select a cell next to the numbers you want to sum, click AutoSum on the Home tab, press Enter, and you’re done. When you click AutoSum, Excel automatically enters a formula (that uses the SUM function) to sum the numbers.