Explanation:
When multiplying 2 numbers with the same base number, we can directly add their indices.
For example, 2¹ * 2³ = 2^(1 + 3) = 2⁴.
Therefore 7³ * 7^? = 7^(3 + ?) = 7¹⁴.
=> 3 + ? = 14, ? = 11.
The blank should be filled with 11.
3.6m questions
4.6m answers