You don't.
.3 * .4 = .12 No added zeros.
Decimal to a percent multiply by 100 and add the % sign.
Multiply any number with 0, you get 0.
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.
Add, subtract, multiply and divide.
To change a decimal to a percentage, multiply the decimal by 100 and add the % sign. So, 0.375 as a % is 37.5%.
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.
Decimal to a percent multiply by 100 and add the % sign.
Multiply any number with 0, you get 0.
add a 0 to the back of the decimal
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.
Multiply the decimal by 100 and add a % sign, e.g. 6.48 as a % is 648%
Multiply the number by 100.Add a percentage sign.
You multiply by 10 (Add a zero)
Add, subtract, multiply and divide.
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.
Ignore the decimal point, multiply, count the places to the right of the decimal point, then count the same number from left to right in the answer,( after you add if nessicary) And put the decimal there. There's your answer. Example: 5 x 0.2 = 1.0 unusually, the number gets smaller after you add the decimal point.
Move the decimal point 2 places to the right (multiply by 100) and add a percentage sign.