make_array(2, 4, 8) * make_array(2, 2)

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BlackTom AI · Accepted Answer

The question presented is: make_array(2, 4, 8) * make_array(2, 2). However, there are no answer options provided to choose from, so we cannot select a specific choice.

First, consider what make_array(2, 4, 8) likely yields: an array with three elements [2, 4, 8].
Next, consider make_array(2, 2): an array with two elements [2, 2].

When attempting to multiply two arrays, the operation depends on the language or library conventions:
- If the operation is element-wise (Hadamard-like multiplication), the arrays must have the same shape or compatible shapes. Here, a 3-element array cannot be element-wise multiplied with a 2-element array, leading to a shape mismatch error.
- If the operation is a scalar-like multiplication where the second array would broadcast to the first, the broadcasting rules would need to allow a 2-element array to broadcast to a 3-element shape. Common broadcasting rules require compatible dimensions, which is not satisfied here since 3 ≠ 2 and there is no trivial broadcast shape that makes [2, 4, 8] and [2, 2] align without additional context.
- If the language treats array multiplication as a matrix multiplication, there would be a dimension incompatibility even more clearly, since a 3-element vector cannot be right-multiplied by a 2-element vector in standard matrix multiplication.

Taking these possibilities into account, the operation is most likely invalid or would raise a runtime error due to shape/misalignment, rather than producing a meaningful numeric result.

Given that there are no answer options to evaluate, and the provided answer option in the data states 'None of the above or results in an error message', the most defensible interpretation is that the expression results in an error or is not well-defined under typical array-multiplication semantics. This aligns with the expectation that a shape mismatch prevents a valid element-wise or matrix-style product.

If you intended a specific language or library (for example, NumPy in Python, MATLAB, or a custom DSL), the exact error message or behavior could vary, but the core issue—shape mismatch between a 3-element and a 2-element array—would still be the central reason for a failure.

CIS-124-HYA-CRN48380 Section 4 Practice

make_array(2, 4, 8) * make_array(2, 2)

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