Final answer:
To write 645% as a decimal, divide the percentage by 100. 645% = 645/100 = 6.45
Step-by-step explanation:
To write 645% as a decimal, you need to divide the percentage by 100.
So, 645% = 645/100 = 6.45
Therefore, 645% as a decimal is 6.45.
Learn more about writing a percentage as a decimal