Question

find the squares of each of the following using the method of square a two digit number having unit digit as 5. a) 45​

Answer 1

Answer:

Step-by-step explanation:

Square of every no. Ending with 5 consist of 25 and multiply other digit with next consecutive no. And you get your answer

45 = 4*5 25 = 2025

Answer 2

Step-by-step explanation:

We have 5power2=25

We have 5power2=25Put4×5=20 on the left side .

We have 5power2=25Put4×5=20 on the left side .The answer is 2025

We have 5power2=25Put4×5=20 on the left side .The answer is 2025I.e.45 power2=2025