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

Updated: 9/26/2023

Wiki User

7y ago

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

Wiki User

6y ago

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Q: Why does multiplying numbers by 10 move the decimal to the right but multiplying numbers By .10 you move the decimal to the left?
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### When multiplying do you move the decimal to the left or right?

to the right to right to the right to the right not to the left to left to left lol have an awesome life

### What are the 3 steps to multiplying decimals?

STEP 1:Take out the points and multiply as normal. STEP 2:After multiplying,count the numbers that are after the decimal points. STEP 3:Then look at your answer and put in your decimal places from the right to the left.

### Where do you put the decimal in the answer when you are multiplying decimals?

Lets say that u r doing the problem. 5.2 x 2.1 there are altogether 2 numbers to the right of the decimal, so you take out the decimals, multiply, and add the decimal 2 numbers to the left.

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

Multiplying or dividing by ten.

### 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.

### When multiplying a number by 10 move the decimal to the right. when multiplying a number by 0.1 move the decimal to the left. Why?

This is because we count in tens so that the place value of a digit is ten times the place value of the digit to its right.

### When multiplying a number by 10, move the decimal to the right. When multiplying a number by 0.1, move the decimal to the left. Why?

This is because we count in tens so that the place value of a digit is ten times the place value of the digit to its right.

### Do you move the decimal point to the left when multiplying numbers?

You don't move the decimal point at all. You just multiply the numbers and the point should sort itself out or be put of how many digits it is to be.

### 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 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.

### 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.