Question

type the missing number in this sequence: 1, 2, □, 8, 16

Explanation:

Step1: Identify sequence pattern

Each term is double the prior term.

Step2: Calculate missing term

Multiply the second term by 2: $2 \times 2 = 4$

Step3: Verify pattern holds

Check that $4 \times 2 = 8$ (matches the next term)

Answer:

4