Mathematics for IGCSE & O level - Indices 1 (Section 4)

• 1

  Which statement is correct regarding indices when multiplying?

  回答

  (C)

  Add the indices if the bases are the same.
• 2

  What is the value of 81^1/4?

  回答

  (A)

  3
• 3

  What is the result of 81^1/2?

  回答

  (A)

  9
• 4

  Which of the following is the simplified form of x⁵ / x²?

  回答

  (B)

  x³
• 5

  Which of the following is equal to 25^-1/2?

  回答

  (A)

  1/5
• 6

  Simplify: 5² * 5¹

  回答

  (B)

  5³
• 7

  Which statements are true regarding the laws of indices?

  回答

  A

  C
• 8

  Which expression is equivalent to 8^2/3?

  回答

  (A)

  ³√8²
• 9

  Simplify: a⁷ / a³

  回答

  (B)

  a⁴
• 10

  Which of the following expressions is equivalent to 5⁴?

  回答

  A

  B

  C