Step-by-step explanation: To write a percent as a decimal, first remember that a percent is a ratio that compares a number to 100.
So we can think of 10% as the ratio 10 to 100 or 10 divided by 100.
Dividing by 100 moves the decimal point 2 places to the left so 10 divided by 100 would move the decimal point 2 places to the left which would give us <em>.</em>10 or 0<em>.</em>10. So 10% can be written as the decimal 0<em>.</em>10.
34.4% to turn a decimal into a percent you move the decimal two places to the right if you needed to turn a percent into a decimal, you'd move the decimal two places to the left