What is the remainder when 9618 is divided by 9?
Correct answer(s):
- 6
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Evaluate 132^2 − 78^2 using an arithmetic identity.
Correct answer(s):
- 11340
Find the sum of the arithmetic sequence 30, 37, 44, …, 247.
Correct answer(s):
- 4432
What is the units digit of 13^153?
Correct answer(s):
- 3
Find the number of positive divisors of 144.
Correct answer(s):
- 15
Find the remainder when 6^141 is divided by 19.
Correct answer(s):
- 11
Find the LCM of 19, 17, and 27.
Correct answer(s):
- 8721
Determine the GCD of 396 and 331 without using prime factor tables.
Correct answer(s):
- 1
Find 30% of 230.
Correct answer(s):
- 69
Reduce the fraction 24/90 to lowest terms.
Correct answer(s):
- 4/15
What is the remainder when 8742 is divided by 6?
Correct answer(s):
- 0
Evaluate 24^2 − 42^2 using an arithmetic identity.
Correct answer(s):
- -1188
Find the sum of the arithmetic sequence 27, 29, 31, …, 83.
Correct answer(s):
- 1595
What is the units digit of 13^79?
Correct answer(s):
- 7
Calculate the number of trailing zeros in 110!.
Correct answer(s):
- 26
Find the remainder when 4^76 is divided by 19.
Correct answer(s):
- 9
Find the LCM of 14, 27, and 44.
Correct answer(s):
- 8316
Determine the GCD of 314 and 286 without using prime factor tables.
Correct answer(s):
- 2
Find 40% of 426.
Correct answer(s):
- 852/5
Reduce the fraction 12/48 to lowest terms.
Correct answer(s):
- 1/4