Advanced Math practice question

Answer: 16/5 or 3.2

3^(2a − b) = (3ᵃ)² / 3ᵇ = 16/5.

Common wrong answers

If you answered 3

3 comes from 2(4) − 5, treating the exponent rule as a difference of the values.

If you answered 80

80 multiplies 16 by 5 instead of dividing.

If you answered 8/5

8/5 uses 2 × 4 instead of 4².

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