Answer:
Tasha made a mistake in Step 4
Explanation:
She made a mistake in step 4
When rewriting the value for 4^(-4)
She needed to write
(1/256) = 4^(-4)
Instead, she wrote
(1/256) = -1/4^(-4)
-1/4^(-4) = -256 ≠ (1/256)
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