Homework PracticeSign Up
Back to assignmentPrintable assignment view
Print options

Homework Practice

Printable assignment

Number System: Practice 4

Section A: Core Practice

Question 1mcq
Which of the following is irrational?
A.−3-3
B.78\frac{7}{8}
C.0.750.75
D.7\sqrt{7}
Question 2mcq
Which decimal expansion is non-terminating and recurring?
A.0.50.5
B.0.250.25
C.0.3‾0.\overline{3}
D.2.02.0
Question 3mcq
Evaluate (−2)3−(−2)2(-2)^{3}-(-2)^{2}.
A.−4-4
B.−12-12
C.44
D.1212
Question 4mcq
During a diagram model on computational thinking with numbers, find one rational number between 25\frac{2}{5} and 35\frac{3}{5}.
A.12\frac{1}{2}
B.15\frac{1}{5}
C.45\frac{4}{5}
D.55\frac{5}{5}
Question 5mcq
Write 0.8750.875 as a fraction in simplest form.
A.3540\frac{35}{40}
B.87510\frac{875}{10}
C.87\frac{8}{7}
D.78\frac{7}{8}

Section B: Application Practice

Question 6mcq
Which of the following is irrational?
A.0.750.75
B.78\frac{7}{8}
C.7\sqrt{7}
D.−3-3
Question 7mcq
Find one rational number between 25\frac{2}{5} and 35\frac{3}{5}.
A.15\frac{1}{5}
B.12\frac{1}{2}
C.45\frac{4}{5}
D.55\frac{5}{5}
Question 8mcq
Evaluate (−2)3−(−2)2(-2)^{3}-(-2)^{2}.
A.−12-12
B.−4-4
C.44
D.1212
Question 9mcq
Which of the following is irrational?
A.−3-3
B.78\frac{7}{8}
C.0.750.75
D.7\sqrt{7}
Question 10mcq
Write 0.8750.875 as a fraction in simplest form.
A.87\frac{8}{7}
B.87510\frac{875}{10}
C.78\frac{7}{8}
D.3540\frac{35}{40}