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You don't.

.3 * .4 = .12 No added zeros.

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Q: Do you add the 0 when multiply decimal?
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Related questions

How do you multiply a decimal number by 10?

Move the decimal point one place to the right. If the decimal point is already at the end of the number, add a 0 to the extreme right before moving the decimal point.


How many decimal places should you move when you multiply bu 0?

Multiply any number with 0, you get 0.


How do you find the decimal to a percent?

Decimal to a percent multiply by 100 and add the % sign.


How do you write an equivalent decimal for a decimal?

add a 0 to the back of the decimal


What are the rules for multiplying 10 by 100?

Add a 0 onto 100, or add 2 0's onto 10. Multiply by 10 = add a 0 Multiply by 100= add 00 Multiply by 1000 = add 00 Teachers prefere not to say 'add a 0'. This is like a cheat, and does not work for decimals.


Write this decimal as a percent?

Multiply the decimal by 100 and add a % sign, e.g. 6.48 as a % is 648%


What is 0.58 as a percentage?

Ah, what a happy little question! To turn 0.58 into a percentage, you simply multiply it by 100. So, 0.58 as a percentage is 58%. Just like adding a touch of color to a painting can bring it to life, transforming numbers can make them easier to understand.


How do you write a percent from a decimal?

Multiply the number by 100.Add a percentage sign.


What are the four fundamentals operation with decimal numbers?

Add, subtract, multiply and divide.


What happens as you move the decimal point to the left?

You multiply by 10 (Add a zero)


How do you express a decimal as a percentage?

To convert a decimal into a percent, simply multiply the decimal by 100 and add a percent symbol, or in other words, move the decimal place two places to the right and add a percent symbol.


How do you change 0.375 into a percentage?

To change a decimal to a percentage, multiply the decimal by 100 and add the % sign. So, 0.375 as a % is 37.5%.