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why does multiplying numbers by ten move the decimal point to the right

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โˆ™ 2014-10-16 01:00:57
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โˆ™ 2020-10-14 18:47:39
it moves to the right because its making the number larger
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Q: Why does multiplying numbers by ten move the decimal point to the right?
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When you are multiplying a decimal with 10 does the decimal point move left or right?

right


What is it called when you move a decimal point to the right?

When you move a decimal point to the right you are multiplying a number by 10. For example, take 3.4. If you move the decimal point to the right you get 34. This is the same as: 3.4x10 = 34. Reversing this, you are dividing by 10 by moving the decimal point to the left. For example, take 73. If you move the decimal point to the right you get 7.3. This is the same as: 73/10 = 7.3. If you move a decimal point 2 spaces to the right, you are multiplying by 100, or more generally if you move the decimal point n spaces to the right, you are multiplying by 10^n.


Why does multiplying numbers by 10 move the decimal point to the right but multiplying by .10 move the decimal point to the let?

1


Are the numbers on the right side of the decimal point the decimal numbers?

yes. any thing you have on the right side of the decimal point(.) is a decimal:)


What is the difference between multiplying decimals and multiplying whole numbers?

You do the multiplication in exactly the same way. The only extra thing is that when multiplying decimals, you need to place the decimal point (or decimal comma - depending on your country) in the correct position. If one number has, for example, 3 digits after the decimal point, and the other 4, you need to place the decimal point in the result (BEFORE eliminating unnecessary zeros) in such a way that there are, in this example, 7 digits (3 + 4) to the right of the decimal point.


Why can you move the decimal point in the divisor to the right?

Moving a decimal point to the right is the same as multiplying a number by a power of ten. As long as both numbers are multiplied by the same amount, they will retain their same relationship.


How do you align decimals when multiplying?

You do not need to align decimal points when multipylng. You multiply the two numbers ignoring the decimal point but ensuring that any trailins 0s are present. The number of digits after the decimal point in the answer is the sum of the number of digits after the decimal points in the two multiplicands.


Why does multiplying numbers by 10 move the decimal to the right but multiplying numbers By .10 you move the decimal to the left?

0.10 = 1/10 so that multiplying by 0.10 is the same as dividing by 10.


What does multiplying a decimal number by 100 do to the decimal point?

It moves the decimal point two places to the right.


Why can you move the decimal point in the divisor to th right as long as you move the decimal point in the dividend the same number of places to the right?

Moving a decimal point to the right is the same as multiplying a number by a power of ten. As long as both numbers are multiplied by the same amount, they will retain their same relationship.


Why does multiplying numbers by 10 move the decimal point to the right?

Because that is how the decimal system is defined: the place value of each digit is ten times that of the digit to its right. Multiplication by 10 is equivalent to moving each digit to the its left or, equivalently, moving the decimal point to the right.


Why does multiply numbers by 10move the decimal point to the right but multiplying by zero point Tian move the decimal point to the left?

It is because 0.10 = 1/10 and so multiplication by 0.10 is the same as division by 10, the opposite of multiplication by 10.


What are the roles of transferring the decimal point to the right or to the left?

Multiplying or dividing by ten.


When do you move the decimal places to the right?

When you are multiplying a number by 10, you move the decimal point one place to the right. If you are multiplyingby 1,000, you move it 3 places to the right.You move the decimal point to the left when you are dividing by a multiple of 10.


The number with one or more numbers to the right of the decimal point?

It is a decimal fraction.


Which pattern describe how the decimal point moves when you multiply a decimal number by any power of ten?

Multiplying a real number by a positive power of ten moves the decimal point that number (the exponent) of places to the right. Multiplying by a negative power of ten moves it to the left. For example, the -3 power of 10 is 1/1000; multiplying by that moves the decimal point 3 places to the left.


Why do you add a decimal point in math with numbers?

To the left of a decimal point are whole numbers. On the right of a decimal point are parts of a whole number.


Why did you move the decimal point to right when covering kilogram to centigram?

Because you are multiplying by 10 to the fifth power.


What is 4.99 when rounded off?

Rounding off means rounding to the nearest integer, thereby eliminating any numbers to the right of the decimal point. If the numbers on the right side of the decimal point are greater than, or equal to 0.5 (e.g. 2.7), then you delete all the numbers to the right of the decimal point and increase the remaining number by one. If they are not greater than, or equal to 0.5 (e.g. 5.1), then you delete all the numbers to the right of the decimal point and leave the remaining number as it is.In the case of 4.99 the numbers to the right of the decimal point are greater than 0.5 so we delete the numbers to the right of the decimal (4.99) then increase the remaining number by one (4+1=5). The answer is 5.


Why does moving the decimal point in the divisor and the dividend when dividing by a decimal work?

Moving the decimal point one place to the right is the same as multiplying both, he numerator and the denominator by 10. That is, you are effectively multiplying by 10/10 which equals 1. And since multiplication by 1 does not change the result, it is OK to do that. Similarly, moving two palces to the right is multiplying by 100/100. Similarly moving left.


How do you use a decimal in a sentence?

To change a decimal into a percent, move the decimal point two places to the right and add the percent sign to the right of the numbers.


What are the numbers that are behind the decimal called?

If you mean the numbers to the right of the decimal point, they comprise the fractional part of the number.


When multiplying two factors each one with a decimal place how many decimal places should the answer have?

You need to add up the number of digits to the right of the decimal to find the number of digits in the answer. If the first factor has 2 digits to the right of the decimal point and the second factor has 3, the final answer will have 5 digits to the right of the decimal point.


What is the rule for multiplying a number by 10?

Simply add one ZERO to the end of the number. If the number is a decimal, then move the decimal point one postion to the right.


4.3 times 10?

Multiplying a decimal by ten means that you would move the decimal point one space to the right. 4.3 times 10 would equal 43.