how do I rewrite this
4�ã20
To rewrite the expression "4�ã20," you need to clarify what you want to do with it.
If you meant to rewrite it in a different format or notation, there isn't much information to go on. However, one possibility could be to convert it to a decimal or fraction if it is a fraction or mixed number.
If you meant to rewrite it as a mathematical equation, it is not clear what operation you want to perform on 4 and 20. Depending on the context, it could represent addition, subtraction, multiplication, division, exponentiation, or another mathematical operation.
Please provide more information or clarify your question so I can assist you better.