Answer:
It should be the last one, She made a sign error when multiplying.
Answer:
If there in piles of 2 you have 2 piles
Step-by-step explanation:
Answer: 4 1/3 or 13/3
Step-by-step explanation:
Answer:
Step-by-step explanation:
Prime factorize the given number. All factors should have pair. If all factors have pair, then it is a perfect square
EG: 36 : Factors of 36 are 2,3,2,3. Here there are two 2's and two 3's. so 36 is a perfect square.
EG: 24: Factors of 12 are 2,2,3. Here 3 is without pair. so it is not a perfect square.
