To refine the expression 4√3 into decimal form, we can use a calculator to approximate the value. Here are the steps:
Turn on your calculator and make sure it's in degree mode (not radian or grad).
Type in "4" followed by the square root symbol (√).
Type in "3".
Press the equals (=) button to get the answer.
The answer you get on your calculator is likely a decimal approximation. In this case, it should be approximately 6.92820323.
So, the decimal approximation of 4√3 is approximately 6.92820323. Note that the approximation is not exact, but it is usually sufficient for most practical purposes.