Question

Please help me in confused

Answer 1

20
`c^(6)`

Explanation:

using the rule of exponents

`a^(m)` ×
`a^(n)` =
`a^((m+n))`

given

(- 4c³)(- 5c³) ← remove parenthesis

= - 4 × c³ × - 5 × c³

= - 4 × - 5 × c³ × c³

= 20 ×
`c^((3+3))`

= 20
`c^(6)`