Question

Show that 189 is not a perfect cube. Find the smallest number by which it must be divided to
make it a perfect cube.​

Answer 1

Answer:

189= 3 x 3 x 3 x 7. Making triplets , we find that one triplet is formed and we are left with one more factor. Thus, 189 can not be expressed as a product of Triplets.

Step-by-step explanation:

Hope it will help you.....

Answer 2

Answer:

I have read 5/13 of a book. what fraction of the book is left