Sagot :
4x means "x" times the number 4. You can rewrite 4x as:
x + x + x + x
x^4 (x to the 4th power) means "x" times itself, 4 times. You can rewrite x^4 as:
x × x × x × x
x + x + x + x
x^4 (x to the 4th power) means "x" times itself, 4 times. You can rewrite x^4 as:
x × x × x × x