CBSE  /  Class 8  /  Maths  /  Exponents and Powers

  • 1. 
    The multiplicative inverse of 2-3 is

  • 2
  • 3
  • 3
  • 2³

  • 2. 
    The multiplicative inverse of 105 is

  • 5
  • 10
  • 10-5
  • 105

  • 3. 
    The multiplicative inverse of \(\frac{1}{2^2}\) is 22

  • 25
  • 2²
  • 2
  • 1

  • 4. 
    The multiplicative inverse of 1010 is

  • 10
  • \(\frac{1}{10}\)
  • 10-10
  • 1010

  • 5. 
    The multiplicative inverse of am is

  • a
  • m
  • am
  • a-m

  • 6. 
    5³ × 5-1 is equal to

  • 5
  • 5³
  • 5-1
  • 5²

  • 7. 
    (- 2)-5 x (-2)6 is equal to

  • 2
  • -2
  • -5
  • 6

  • 8. 
    3² × 3-4 × 35 is equal to

  • 3
  • 3²
  • 3³
  • 35

  • 9. 
    (-2)-2 is equal to

  • \(\frac{1}{4}\)
  • \(\frac{1}{2}\)
  • -\(\frac{1}{2}\)
  • -\(\frac{1}{4}\)

  • 10. 
    (\(\frac{1}{2}\))-4 is equal to

  • 2
  • 2-4
  • 1
  • 24
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