Final answer:
To write 100% as a decimal, you can move the decimal point two places to the left, resulting in 1.00.
Step-by-step explanation:
To write 100% as a decimal, you can simply move the decimal point two places to the left. This is because 'percent' means 'per hundred', so 100% is the same as 100 per hundred. So, when you move the decimal point in 100% two places to the left, you get 1.00.
Learn more about converting percent to decimal