Hi. How to you solve 6.3*10^-4=4x^3 on a calculator? What buttons or functions do you press on the calculator to solve this

Enter 6.3 E-4

Divide by 4
Take the cube root of the answer of the previous step. How you do this depends upon your calculator type.
For cube root of x you can use x^0.33333
or x^(1/3)

x = 0.05401