CBSE  /  Class 7  /  Maths  /  Exponents and Powers

  • 1. 
    106 ÷ 105 =

  • 101
  • 105
  • 106
  • 1011

  • 2. 
    b × b × b × b × b =

  • b5
  • b4
  • b6
  • b³

  • 3. 
    (-5)4 =

  • 125
  • 625
  • 375
  • 135

  • 4. 
    am × an =

  • am+n
  • am-n
  • amn
  • am/n

  • 5. 
    am ÷ an =

  • am+n
  • am-n
  • amn
  • am/n

  • 6. 
    (2²)³ =

  • 2²
  • 2³
  • 2¹
  • 26

  • 7. 
    (5²)10 =

  • 5²
  • 520
  • 510
  • 55

  • 8. 
    (am)n =

  • am+n
  • am-n
  • amn
  • am/n

  • 9. 
    If a is any non-zero integer, then a0 =

  • a
  • 0
  • 1
  • none of these

  • 10. 
    30 =

  • 0
  • 1
  • 3
  • none of these
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