Question

Pls help

I need 20 characters to submit this question that’s why there is more words pls help

Answer 1

Answer:
`5√(42)z^3`

Explanation:

`√(z) \cdot \sqrt{30z^(2) } \cdot \sqrt{35z^(3) } =\sqrt{z \cdot 30z^(2) \cdot 35z^(3) } =\sqrt{30 \cdot 35 \cdot z^(1+2+3) } =\sqrt{1050 \cdot z^(6) } =\\\\=5√(42)z^3`