You don't.
.3 * .4 = .12 No added zeros.
Chat with our AI personalities
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%.