Digital ACT Math Practice Question #2003
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
85 mod 4 = 1 -> i^1 = i.
Divide the exponent by 4: 85 = 4 * 21 + 1. i^85 = i^1 = i....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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