Home
Class 8
MATHS
(2/3)^(-5) is equal to (a)((-2)/3)^5 (...

`(2/3)^(-5)` is equal to (a)`((-2)/3)^5` (b) `(3/2)^5` (c) `(2xx-5)/3` (d) `2/(3xx5)`

Text Solution

Verified by Experts

The value of `(2/3)^(-5)` is:
=`(3/2)^5=243/32`.
Thus, the value of `(3/2)^5` is equal to `243/32`.
Hence, option (b) is the correct answer.
Promotional Banner

Topper's Solved these Questions

  • PLAYING WITH NUMBERS

    RD SHARMA|Exercise All Questions|57 Videos

  • PRACTICAL GEOMETRY (CONSTRUCTIONS)

    RD SHARMA|Exercise All Questions|40 Videos

Similar Questions

Explore conceptually related problems

(-2)/3 xx 3/5 is equal to A. (-2)/5 B. 5/2 C. (-5)/2 D. 2/5

(2/5)^2 xx (2/5)^3 xx (2/5)^(-6) = (5/2)

15. For matrix A=[(2,3),(-4,5)] , (adjA)^T is equal to (A) [(5,-3),(4,2)] (B) [(5,4),(-3,2)] (C) [(5,3),(4,-2)] (D) [(5,-3),(-4,2)]

(-2/3)xx(3/5)+(5/2)-(3/5)xx(1/6)

Simplify: (-2)xx(-3)^3 (ii) (-3)^2xx(-5)^3 (iii) (-2)^5xx(-10)^2

(-(3)/(5))^(-4)xx(-(2)/(5))^(2)

5 n+2 −6 xx 5 n+113 xx 5 n − 2 5 n+1 is equal to (a) 5 3 (b) − 5 3 (c) 3 5 (d) − 3 5

Solve : (2/3)^4 times ( 3/2 )^5 times (5/3 )^-2 times ( 3/5 )^-3

hcf of 3^(3)xx5 and 3^(2)xx5^(2)

(2^((1)/(3))xx5^((2)/(3)))/(2^(-(2)/(3))xx5^(-(1)/(3)))

RD SHARMA-POWERS-All Questions
  1. Express the following number in standard form: (i) 6020000000000000 ...

    Text Solution

    |

  2. Write the following numbers in the usual form: (i)4. 83\ xx\ 10^7 (i...

    Text Solution

    |

  3. Choose the correct alternative in each of the following : Square of...

    Text Solution

    |

  4. Cube of (-1)/2i s 1/8 (b) 1/(16) (c) -1/8 (d) (-1)/(16)

    Text Solution

    |

  5. Which of the following is not equal to ((-3)/5)^4? (a)((-3)^4)/(5^4) ...

    Text Solution

    |

  6. Which of the following is not reciprocal of (2/3)^4? (3/2)^4 (b) (...

    Text Solution

    |

  7. Which of the following numbers is not equal to (-8)/(27)?\ (a)(2/3)^...

    Text Solution

    |

  8. (2/3)^(-5) is equal to (a)((-2)/3)^5 (b) (3/2)^5 (c) (2xx-5)/3 ...

    Text Solution

    |

  9. ((-1)/2)^5x((-1)/2)^3 is equal to (a)((-1)/2)^8 (b) -\ (1/2)^8 ...

    Text Solution

    |

  10. ((-1)/5)^3-:((-1)/5)^8 is equal to (a) (-1/5)^5 (b) (-1/5)^(11) ...

    Text Solution

    |

  11. ((-2)/5)^7-:((-2)/5)^5 is equal to (a)4/(25) (b) (-4)/(25) (c) ...

    Text Solution

    |

  12. {(1/3)^2}^4 is equal to (a)(1/3)^6 (b) (1/3)^8 (c) (1/3)^(24) ...

    Text Solution

    |

  13. (1/5)^0 is equal to (a)0 (b) 1/5 (c)\ 1 (d) 5

    Text Solution

    |

  14. ((-3)/2)^(-1) is equal to (a)2/3 (b) 2/-3 (c) 3/2 (d) none o...

    Text Solution

    |

  15. (2/3)^(-5)x(5/7)^(-5) is equal to (a)(2/3x5/7)^(-10) (b) (2/3x5/7)...

    Text Solution

    |

  16. (3/4)^5-:(5/3)^5 is equal to (a)(3/4-:5/3)^5 (b) (3/4-:5/3)^1\ \ (...

    Text Solution

    |

  17. For any two non-zero rational numbers a and b ,\ a^4-:b^4 is equal to ...

    Text Solution

    |

  18. For any two rational numbers a and b ,\ a^5xb^5 is equal to (a)(ax b)...

    Text Solution

    |

  19. For a non-zero rational number a ,\ a^7-:a^(12)\ is equal to (a)a^5 ...

    Text Solution

    |

  20. For a non zero rational numbers a ,\ (a^3)^(-2) is equal to a^6 (b) ...

    Text Solution

    |