Simplify the expression where possible.

Question

(x 2y 3z 4) 2

Answer 1

If the outside number is a power of 2, that says write the brackets out twice
(x^2y^3x^4)(x^2y^3x^4)
now since the bases are the same add up the powers.
x^(2+2)Y^(3+3) etc
= x^4y^6 etc...