A negative number x a negative number is always positive true or false

True.

Step-by-step explanation:

I don't nessicarly know the explanation behind it, but if a negative number is being multiplied by another negative number, the product will always be positive.

True.

Step-by-step explanation:

Negative x Negative=Positive.

I'm not sure why, but it's mathematical law.

Hope I helped!

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation: