G11 - Indices and Exponents (Warm-up)

Which of the following is incorrect, given a is the positive integer?

• a^m + aⁿ = a^m+n

• a^m / b^m = (a/b)^m

• a^m / aⁿ = a^m-n

• (a^m)ⁿ = a^m.n

Mathematical Equivalence

ON

• a⁴

• a

• a⁵

• a³

Given a, b are positive integers and a^2b = 5. Evaluate the following expression: 2a^6b - 4

• 226

• 202

• 246

• 242

Mathematical Equivalence

ON