Question

Do These
11.
Which of the following are perfect cubes?
(i) 243 (ii) 400 (iii) 500
(iv) 512
(v) 729
13. What is a smallest number which 2560 is to be multiplied so that the ne​

Answer 1

Answer:

your answer is in the picture

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Answer 2

Answer:

yes no

Step-by-step explanation:

i)prime factorise 243   3 | 243

                                        3 | 81

                                         3 | 27

                                          3 | 9

                                       3 | 3

                                           1                   so 243 is not a perfect cube

ii )            2 | 400

               2 | 200

               2 | 100

                2 | 50

                5 | 25

                 5 | 5

                     1                    its a perfect cube