Home
Class 9
MATHS
The value of 12/(sqrt5 - 1) corrected to...

The value of `12/(sqrt5 - 1)` corrected to three significant digits is `"________"`. `(sqrt5 = 2.2361)`

A

`9.71`

B

`9.75`

C

`9.81`

D

`9.85`

Text Solution

Verified by Experts

The correct Answer is:
A
(i) Rationaliz the denominator.
(ii) Put `sqrt5= 2.2361` and simplify, correct to three significant figures.
Promotional Banner

Topper's Solved these Questions

  • SIGNIFICANT FIGURES

    PEARSON IIT JEE FOUNDATION|Exercise Level 1|10 Videos

  • SHARES AND DIVIDENDS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 3)|10 Videos

  • SIMPLE INTEREST AND COMPOUND INTEREST

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION|1 Videos

Similar Questions

Explore conceptually related problems

Evaluate sqrt80 correct to three significant digits.

The value of sqrt115 corrected to four significant figures is "_________"

Evaluate 15/(sqrt 2-1) correct to four significant digits (Take sqrt2 = 1.414 ).

The value of (sqrt5 + 2)/(sqrt5 - 2) is :

The value of 1/(5-sqrt3) correct to two significant figures [given that sqrt3 = 1.732 ] is "______" .

Evaluate 1/(3+sqrt7) correct to one significant digit (Take sqrt7=2.646 ).

The value of (sqrt(5) - 2)/(sqrt(5) + 2) is :

The value of (sqrt(5)-2)(sqrt(5)-2) is:

PEARSON IIT JEE FOUNDATION-SIGNIFICANT FIGURES-Level 2
  1. After simplification, the first significant digit of the fraction 0.12...

    Text Solution

    |

  2. A trader weighs 8.99 quintals of iron rods with the help of kilogram w...

    Text Solution

    |

  3. The value of 12/(sqrt5 - 1) corrected to three significant digits is "...

    Text Solution

    |

  4. The value of 1/(5-sqrt3) correct to two significant figures [given tha...

    Text Solution

    |

  5. A pole is measured with a scale marked in centimetres. If the length o...

    Text Solution

    |

  6. Evalute 3.768 - 1.876 corrected to two significant figures.

    Text Solution

    |

  7. When a number is approximated to the nearest hundreds, the approximate...

    Text Solution

    |

  8. The distance between two places is 2000 km, correct to nearest thousan...

    Text Solution

    |

  9. The height of a person is 6.0 ft, correct to nearest foot (in integer)...

    Text Solution

    |

  10. Number of significant figures in the square root of 42.25 is "".

    Text Solution

    |

  11. Evaluate (0.304) (0.12) corrected to four significant figures.

    Text Solution

    |

  12. Which of the following numbers has two significant figures?

    Text Solution

    |

  13. The length of a pole is 42.3 m. Find the number of significant figures...

    Text Solution

    |

  14. Number of significant figures in 3.0 is "".

    Text Solution

    |

  15. Evaluate 3/7 correct to three decimal places.

    Text Solution

    |

  16. Evaluate 15/(sqrt 2-1) correct to four significant digits (Take sqrt2 ...

    Text Solution

    |

  17. Evaluate sqrt80 correct to three significant digits.

    Text Solution

    |

  18. After simplification, numbers of zeroes before first significant digit...

    Text Solution

    |

  19. The distance between two places is measured with a scale marked in met...

    Text Solution

    |

  20. There are certain number of students in a class. This is approximated ...

    Text Solution

    |