ACT Math · Number & Quantity
Number operations and exponents practice questions
Each free question on this page comes with its answer and a full explanation.
- Question 1Simplify: (a^3/4)^4/3 for a > 0.
- Question 6Which expression is equivalent to √(200)?
- Question 44What is (3.2 × 10^5)(2 × 10^-3)?
- Question 45Which expression is equivalent to (2x^-3y²)^-2 for x, y ≠ 0?
- Question 46The repeating decimal 0.63 (63 repeating) is equivalent to which fraction?
- Question 89Which expression is equivalent to 5√(3) with a rationalized denominator?
- Question 90What is the greatest common factor of 24 and 36?
- Question 173What is the real cube root of -125?
- Question 174What is the prime factorization of 360?
- Question 176What is the value of -2² + 3(-1)³?
- Question 220Which expression is equivalent to 43+√(5) with a rationalized denominator?
- Question 221What is (8 × 10^7) ÷ (2 × 10^-2)?
- Question 222Which best describes √(16)?
- Question 223If |x| + |y| = 10 and x = 6, what are the possible values of y?
- Question 227Solve for x: √(2x - 3) = 5.
- Question 229What is (2x - 3)²?