I just used PEMDAS. It was easy.
Answer:

Step-by-step explanation:
So we have the expression:

To multiply, distribute the left to the terms on the right:

Distribute:

Combine like terms:

Simplify:

Therefore:

Answer:
+10 units
Step-by-step explanation:
Answer:
the second option
Step-by-step explanation:
The second option because there is no pattern.
Answer:
Equation:(4 2/5)/2/5=? ; estimate: a
little more than 10 magazines; answer:
11 magazines in the stack.
Step-by-step explanation: