What is the remainder when 4771 is divided by 4?
Correct answer(s):
- 3
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Evaluate 48^2 − 78^2 using an arithmetic identity.
Correct answer(s):
- -3780
Find the sum of the arithmetic sequence 56, 59, 62, …, 116.
Correct answer(s):
- 1806
How many integers from 1 to 42 are coprime to 42?
Correct answer(s):
- 12
What is the units digit of 12^291?
Correct answer(s):
- 8
Find the number of positive divisors of 168.
Correct answer(s):
- 16
Find the remainder when 15^65 is divided by 29.
Correct answer(s):
- 26
Find the LCM of 35, 32, and 26.
Correct answer(s):
- 14560
Determine the GCD of 85 and 358 without using prime factor tables.
Correct answer(s):
- 1
Find 40% of 285.
Correct answer(s):
- 114
Reduce the fraction 12/44 to lowest terms.
Correct answer(s):
- 3/11
What is the remainder when 1500 is divided by 4?
Correct answer(s):
- 0
Evaluate 120^2 − 54^2 using an arithmetic identity.
Correct answer(s):
- 11484
Find the sum of the arithmetic sequence 53, 57, 61, …, 169.
Correct answer(s):
- 3330
What is the units digit of 7^133?
Correct answer(s):
- 7
Find the remainder when 10^104 is divided by 13.
Correct answer(s):
- 9
Find the LCM of 30, 22, and 6.
Correct answer(s):
- 330
Determine the GCD of 229 and 170 without using prime factor tables.
Correct answer(s):
- 1
Find 40% of 355.
Correct answer(s):
- 142
What is the remainder when 4540 is divided by 9?
Correct answer(s):
- 4