23 is less than 25 which means it's closer to 20, so you would round it down to 20. 1.75 is over 0.50, 1/2, so you would round it up to 2. If you multiply 2 and 20 you would get 40.
Number two gets the same explanation just with different numbers.
Answer:3333333333333333Step-by-step explanation:
The answer is the second one. 5.2 repeating.
Answer:
-37
Step-by-step explanation: