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# How can you tell if the product will end in 0 or 5 when multiplying by 5?

Updated: 9/21/2023

Wiki User

12y ago

When 5 is multiplied by an odd number, the product ends in 5.

When 5 is multiplied by an even number, the product ends in zero.

Wiki User

12y ago

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Q: How can you tell if the product will end in 0 or 5 when multiplying by 5?
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### What is the product of any number and 0?

The product is obtained by multiplying two numbers. The product obtained by multiplying a number by 1 is equal to the number, i.e. 1 x 10 = 10(product). Therefore the product of any number and 0 is always 0.

### In math what is the product of 8 6 and 0?

The product is the answer to a multiplication problem. Multiplying any number by 0 results in 0. So, 8 X 6 X 0 = 0

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### The product of 21?

The product is the result of multiplying 21 by zero. As a result, the product of 21 and 0 is: 0 To put it another way, we can determine the product of 21 and 0 by multiplying 21 by 0, which is 0. Isn't it simple? If somebody were to question you, &quot;What is the product of 21 and 0?&quot; you would respond, &quot;21 x 0 = 0.&quot; To discover any product on your own later, understand that the product is indeed the result of multiplying two integers jointly. -Hope this helped-

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### What is the units digit of the product of the first 100 prime numbers?

0 Look at the product of the first 3 prime numbers: 2 x 3 x 5 = 30. Any number multiplied by 30 will have a 0 in the units digit. So, no matter how many prime numbers you are multiplying, if once you have a number ending in 0, all of the rest will end in 0.

### Why do multiples of 10 end in 0?

It is like that because multiplying any number by 10 is the same as adding a 0 at the end of it, unless it is a decimal number. But decimal numbers are not multiples of 10.

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The product of two rational numbers, X and Y, is smaller than either of them if both are between 0 and 1.

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you're multiplying nothing by nothing which gives you nothing.

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Because it would remain the same number if it was multiplied by just the 1.

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It is 0 because something times nothing is nothing It doesn't matter how many numbers you multiply or what they are, if one of the numbers you are multiplying is a zero, the product in the end becomes a zero. So, anything times anything times zero equals zero.

### Is it true that when you multiply two natural numbers the product is never less than either of the two numbers?

Yes. Natural numbers are counting numbers, equal to or greater than 0. The only ways a product can be less than its multiplicands is when multiplying fractions by fractions or multiplying a positive number by a negative number.