Advanced Math practice question

Answer: 3

4ᵇ = 2^(2b), so a + 2b = 10; with a = 4, 2b = 6 and b = 3.

Common wrong answers

If you answered 6

6 forgets that 4ᵇ is 2^(2b).

If you answered 2.5

2.5 divides 10 by 4.

If you answered 1.5

1.5 halves 3 again.

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