Home
Class 11
CHEMISTRY
Add 6.65 10^(4) and 8.95'10^(3)....

Add `6.65 10^(4)` and `8.95'10^(3)`.

Text Solution

Verified by Experts

Exponent is made same for both numbers
`6.65 xx 10^(4) +0.895 xx 10^(4) = 7.545 xx 10^(4)`
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    NARAYNA|Exercise LEVEL-V|122 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - IV|43 Videos

Similar Questions

Explore conceptually related problems

Calculate the following a. (6.7 xx 10^(5)) xx (4.6 xx 10^(4)) b. (7.6 xx 10^(7)) xx (3.8 xx 10^(-4)) c. (6.8 xx 10^(-3)) xx (5.2 xx 10^(-4)) d. (6.7 xx 10^(5)) / (4.6 xx 10^(4)) e. (7.6 xx 10^(7)) / (3.8 xx 10^(-4)) f. (6.8 xx 10^(-3)) / (3.8 xx 10^(-4)) g. 7.65 xx 10^(2) + 2.72 xx 10^(3) h. 7.87 xx 10^(-4) - 2.61 xx 10^(-5)

Add : 8+6

(a).Add 3.8 xx 10^(-6) to 4.2 xx 10^(-5) with due regard to significant figures. (b). Subtract 3.2 xx 10^(-6) from 4.7 xx 10^(-4) with regard to significant figures. ( c ). Subtract 1.5 xx 10^(3) from 4.8 xx 10^(4) with due regard to significant figures.

Add (11)/(8) and (-6)/(8).

Add 6.75 xx (10^3) cm to 4.52 xx (10^2) cm with regard to significant figures.

Add 6.75xx10^3 cm to 4.52xx10^2 cm.

Write the numeral whose expanded form is given below: ( i ) 6 xx 10^(4)+3 xx 10^(3)+0 xx 10^(2)+7 xx 10^(1)+8 xx 10^(0) ( ii ) 9 xx 10^(6)+7 xx 10^(5)+0 xx 10^(4)+3 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0) ( iii ) 8 xx 10^(5)+6 xx 10^(4)+4 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0)

Add 26.4, 163.05, 8.75 and 5.6.

Add: 3/10+8/15

NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. Add 6.65 10^(4) and 8.95'10^(3).

    Text Solution

    |

  2. Report tha answer to correct singificant figures in 2.5' 1.25

    Text Solution

    |

  3. Two oxides of metal M have 27.6% and 30% oxygen by weight. If the form...

    Text Solution

    |

  4. If dry air is considered to have only nitrogen and oxygen and is found...

    Text Solution

    |

  5. No . of gram atoms in 1kg of Helium

    Text Solution

    |

  6. No of gram atoms in 12.044 xx 10^(23) Na atoms

    Text Solution

    |

  7. Mass of one hydrogen atom

    Text Solution

    |

  8. No of atoms in 4 gram of calcium

    Text Solution

    |

  9. No of molecules in 2.2 grams of Co(2)

    Text Solution

    |

  10. The volume occupied by 35.5g of CI(2) at S.T.P.

    Text Solution

    |

  11. Calculate the no. of moles in 0.72 grams of glucose ?

    Text Solution

    |

  12. Calculate weight of 0.1 moles of Na(2)CO(3)?

    Text Solution

    |

  13. Calculate the number of moles in 5.6 lit of methane at STP ?

    Text Solution

    |

  14. Calculate weight of 3.011 xx 10^(23) molecules of SO(2)?

    Text Solution

    |

  15. Calculate the number of molecules in 1120 ml of hydrogen at STP?

    Text Solution

    |

  16. What is the ratio of number of molecules, if tha mass ratio of N(2) an...

    Text Solution

    |

  17. Equivalent weight of sulphate ion and bicarbonate ion :

    Text Solution

    |

  18. H(2)SO(4)+NaOH rarr NaHSO(4)+H(2)O In this equation the equivalent wei...

    Text Solution

    |

  19. H(2)SO(4)+2NaOH rarr Na(2)SO(4) +2H(2)O In this equation the equivalen...

    Text Solution

    |

  20. Mg(OH)(2)+HCI rarr Mg(OH)CI +H(2)O In this reaction, the equivalent ...

    Text Solution

    |