Answers

2014-07-16T22:04:40+05:30
54/250=27/125 (dividing by 2) Now, cube root of 27/125 is 3/5.
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A. Evaluate the cube root:
1. ∛64

2. ∛343

3. ∛729

4. ∛1728

5. ∛9261

6. ∛4096

7. ∛8000

8. ∛3375

9. ∛-216

10. ∛-512

11. ∛-1331

12. ∛(27/64)

13. ∛(125/216)

14. ∛(-27/125)

15. ∛(-64/343)

16. ∛1331

17. ∛(64 × 729)

18. ∛(729/1000 )

19. ∛(-512/343)

20. ∛6859
C. Find the cube roots of:
1. -1

2. -125

3. -216

4. -512

5. -8000

6. -27000

7. -3375

D. Find the cube roots of:
1. 1/8

2. 33/8

3. 54/250
pl with details answer pl
Cube root of -8000
Cube root of 120/8
2014-07-16T22:16:51+05:30

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 \frac{54}{250}

Solving by prime factorization we get,
54= 2×3×3×3
250=2×5×5×5

 \frac{54}{250}= \frac{2×3×3×3}{5×5×5×2}

Now 2 gets cancelled from numerator and denominator,
and Cube root is pairing up of 3 same nos,
hence,

Cube root of  \frac{54}{250}  is  \frac{3}{5}
1 5 1
It is not possible dear :(
i found it ans is -20
Cube root of 120/8
it is possible as u can break it as -2X2X2X10X10
sorry 10 also with upper one