Math, asked by Aditya2311, 1 year ago

Out of 253,257,11000,225,1100,256;How many are perfect square numbers?

Answers

Answered by rvk123
15
the perfect square no are 225 whis is 15*15
the perfect square no is 256 which is 16*16
no one is perfect square except this two

thankyou plz like and make it brainlist

Aditya2311: This question option is 1,2,3,4 which answer
Anonymous: whatb
Anonymous: 256 and 225 are square
Anonymous: make it brainlist
Aditya2311: If the distance of Uranus from Sun is2870000000 km, then this distance in scientific notation is written as
Aditya2311: Ye Wala aata h kya
avneiljiya: in cm,2.87*10 raised to power 14 cm and in standard form its 2.87*10 raised to power 9
Answered by Golda
3
Solution :-

Out of 253, 257, 11000, 225, 1100, 256; only 225 and 256 are perfect square. Rest are not perfect square.
                 _____
              3 |225
                 |____
              3 |  75
                 |____
              5 |  25
                 |____
              5 |    5
                 |____
                 |    1

 √225 = 3*3*5*5

√225 = 15

 
                ______ 
            2  | 256
                |_____
            2  | 128
                |_____
            2  |  64
                |_____
            2  |  32
                |_____
            2  |   16
                |_____
            2  |     8
                |_____
            2  |     4
                |_____
            2  |     2
                |_____
                |     1

 √256 = 2*2*2*2*2*2*2*2

√256 = 16  

Hence, 225 and 256 are the only two perfect square numbers out of these six numbers.

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