Question

Exercise 4.1
1. Which of the following numbers ar
following numbers are not perfect cubes? Give reasons in support of
your answer:
(1) 648
(11) 729
(iv) 8000
2. Showth
cd the number
(iii) 8640​

Answer 1

Answer:

1. no because 8 cube is 512 and of 9 is 729 . and this no. is lie in b/w them. as well as no cube of any no..
2. yes of 9.
3. 8000 yes of 20.
4. no. because last digit is 0 as only of 10's place. as well as its cube is in three digit of 0as well as its multiply by 3 like 1000 and 100,000 and so on.

HOPES ITS HELP U MARK IT AS A BRAINLIST ANSWER . FOLLOW ME . RATE THIS ANSWER .