CBSE  /  Class 8  /  Maths  /  Exponents and Powers

  • 1. 
    (2° + 4-1) × 2² is equal to

  • 2
  • 3
  • 4
  • 5

  • 2. 
    (2-1 + 3-1 + 5-1)0 is equal to

  • 2
  • 3
  • 5
  • 1

  • 3. 
    3m + 3-3 = 35 ⇒ m is equal to

  • 1
  • 2
  • 3
  • 4

  • 4. 
    (-2)m+1 × (-2)4 = (-2)6 ⇒ m =

  • 0
  • 1
  • -1
  • none of these.

  • 5. 
    (-1)50 is equal to

  • -1
  • 1
  • 50
  • -50

  • 6. 
    (-1)51 is equal to

  • -1
  • 1
  • 51
  • -51

  • 7. 
    149600000000 is equal to

  • 1.496 × 1011
  • 1.496 × 1010
  • 1.496 × 1012
  • 1.496 × 108

  • 8. 
    300000000 is equal to

  • 3 × 108
  • 3 × 107
  • 3 × 106
  • 3 × 109

  • 9. 
    0.000007 is equal to

  • 7 × 10-6
  • 7 × 10-5
  • 7 × 10-4
  • 7 × 10-3

  • 10. 
    384467000 is equal to

  • 3.84467 × 108
  • 3.84467 × 10³
  • 3.84467 × 107
  • 3.84467 × 106
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Practice More On Exponents and Powers
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