Math ACCUPLACER 2026 Exam Prep – Practice Test with Solutions and Answer Key

Math ACCUPLACER 2026 Exam Prep – Practice Test with
Solutions and Answer Key


Introduction:


This document contains a comprehensive Math ACCUPLACER
practice test with answers, covering scientific notation,
algebra, linear equations, percentages, fractions, exponents,
word problems, and basic trigonometry. It includes multiple-
choice questions, calculation exercises, simplification
problems, and step-based practice designed to help students
prepare for the ACCUPLACER mathematics placement exam.
The material also provides answer keys for self-assessment
and exam review.


Exam Questions and Answers


1. Write the following in Scientific Notation.


350,000,000 --- correct answer ----3.5x10^8


2. Write the following in Scientific Notation.


0.0000000000000523 --- correct answer ----5.23x10^-14


3. Write the following in Scientific Notation.


120,500,000,000,000,000,000 --- correct answer ----
1.205x10^20

, 4. Write in expanded form.


6.02x10^23 --- correct answer ----
602,000,000,000,000,000,000,000


5. Write in expanded form


3.0x10^8 --- correct answer ----300,000,000


6. write in expanded form


1.819x10^-9 --- correct answer ----0.000000001819


7. Simplify. Write answers in scientific notation. --- correct
answer ----1.5x10^10


8. Simplify. Write answers in scientific notation. --- correct
answer ----9x10^-8


9. Simplify. Write answers in scientific notation. --- correct
answer ----2x10^-8


If a ≠ b and 1/x + 1/a = 1/b, then x =
A. 1/b - 1/a
B. b - a
C. 1/ab
D. a - b/ab