# Question: What numbers can add up to 7?

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## 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.