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Express 0.363636… as a fraction in simplest form.
Correct answer(s):
- 4/11
Find the highest common factor (HCF) of 84 and 126.
Correct answer(s):
- 42
Which of the following numbers is irrational
Correct answer(s):
- √2
Select all numbers that are divisible by 9 from the list below.
Correct answer(s):
- 18
- 270
Find the least common multiple (LCM) of 18 and 30.
Correct answer(s):
- 90
Find the value of the digit 7 in the number 4,729,305.
Correct answer(s):
- 700,000
Which of the following is greater: 0.(2) (that is 0.222…) or 1/4
Correct answer(s):
- 1/4 Is Greater
How many positive divisors does 3^4 × 7^2 × 11 have
Correct answer(s):
- 30
What is the remainder when 2^50 is divided by 7
Correct answer(s):
- 4
Write 7.5% as a simplified fraction.
Correct answer(s):
- 3/40
Find the last nonzero digit of n = 3^8 × 5^6 when n is expressed in base 10.
Correct answer(s):
- 5
Express the repeating decimal 0.(36), that is 0.363636…, as a fraction in simplest form.
Correct answer(s):
- 4/11
Determine whether sqrt(72) is a rational number or an irrational number.
Correct answer(s):
- Irrational
How many trailing zeros are at the end of 100! when written in base 10
Correct answer(s):
- 24
Calculate the least common multiple (LCM) of 18, 30, and 45.
Correct answer(s):
- 90
Find the greatest common divisor (highest common factor) of 462 and 756.
Correct answer(s):
- 42
Select all numbers that are perfect squares from: 2, 16, 27, 49, 50.
Correct answer(s):
- 16
- 49
What is the smallest nonnegative integer that must be added to 4,589 so the sum is divisible by 9?
Correct answer(s):
- 1
How many trailing zeros are there at the end of 100! (100 factorial)?
Correct answer(s):
- 24
Express the repeating decimal 0.363636… (0. 36) as a simplified fraction.
Correct answer(s):
- 4/11