1003118008 Level: CLet a=15+3+144−223. Choose the correct statement about the number a.It is a rational number.It is a positive integer.It is an irrational number.It is greater than 1.
1003118010 Level: CThe product of the number 2+1 and the multiplicative inverse of 2−1 is equal to:1+2221−21
1003118101 Level: CWhich of the following inequalities describes a correct relationship between the numbers a, b, c if a=424, b=343, c=234? (Hint: Barring parentheses, xyz is equivalent to x(yz).)a<c<bb<a<ca<b<cb<c<a
1003118109 Level: CWhich of the following numbers has the same unit digit as the number 555555?10555+51055555⋅1055510555+10555
1003118201 Level: CSuppose that 23≈1.25. Give the approximate value of (181)−23. Do not use a calculator.243729190
1003118202 Level: CThe approximate value of the number 10−0.8 is 0.158489. What is the approximate value of the number 101.2? Give your answer to three decimal places. Do not use a calculator.15.8491.5850.0153.170