Question

evalua
1) -6ab÷(2ab)
2) 42÷(-7)
3) (2z).(-14z)​

Answer 1

1)

$\frac{ - 6ab}{2ab} = \frac{ - 6}{2} = - 3$

2)

$\frac{42}{ - 7} = - 6$

3)

$(2z) \times ( - 14z) = - 28 {z}^{2}$