Question

Can somebody help me please? (:

Simplify:

1. 8/2s^-3

2. 6a^-1 c^-3/d^0

3. 12^0 t^7 u^-11

Answer 1

https://www.mathway.com/ <--- That helps me. :)

Answer 2

im possibly wrong but i think the first is -64

Answer 3

\[\frac{ 8 }{ 2s^{-3} } = \frac{ 4 }{ s^{-3} } = 4s^3\]

Answer 4

Just go by this rule:
\[\frac{ 1 }{ a^{-b} } = a^b\]