Summary for simplifying an imaginary number to a higher power

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Mathematics
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11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pattern of powers of 'i' that repeats every fourth power?
i, i^2, i^4, i^5
i, i^3, i^4, i^5
i, i^2, i^3, i^5
i, i^2, i^3, i^4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you simplify i to the power of 15?
i^4
i^2
i^3
i^1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When dividing an exponent by 4, what should you do with the remainder?
Ignore it
Use it to determine the simplified power of 'i'
Subtract it from the exponent
Add it to the exponent
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common mistake when simplifying powers of 'i'?
Multiplying instead of dividing
Incorrectly calculating the remainder
Using the wrong base
Forgetting to add exponents
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i^3?
1
-1
-i
i
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