16
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $\det \mathbf{M} = -2,$ then find $ \det (\mathbf{M}^4).$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
16
If $\det \mathbf{M} = -2,$ then find $ \det (\mathbf{M}^4).$
train