simpilfy the expression:

Question

[4x7]4
four and severn are the exponents

Answer 1

(^) indicates an exponent online. (x^2 = x squared.)

(4x^7)^4 = (4x^7)(4x^7)(4x^7)(4x^7) = 256x^28

When multiplying terms, you add the value of the exponents.

I hope this helps.