Exponents and Powers Test for Class 8 Mathematics

Exponents and powers are important concepts in mathematics that involve using powers and exponents to simplify expressions and solve equations. Here is a sample test for Class 8 students to assess their understanding of exponents and powers:

Multiple Choice Questions:
1. What is the value of 2^3?
A. 6
B. 8
C. 4
D. 16

2. Simplify the expression 5^2 * 5^3.
A. 25
B. 125
C. 625
D. 3125

3. What is the value of (-3)^4?
A. -81
B. 81
C. -27
D. 27

Short Answer Questions:
4. Evaluate the value of 10^0.

5. Simplify the expression (2^3)^2.

6. Write the prime factorization of 256 using exponents.

True or False:
7. 5^0 = 1
A. True
B. False

8. (-2)^3 = -8
A. True
B. False

Application Problems:
9. A bacteria culture doubles every hour. If the initial population is 100 bacteria, how many bacteria will there be after 5 hours?

10. A rectangular box has dimensions of 3^2 * 2^3 * 5. What is the volume of the box?

These questions cover a range of topics related to exponents and powers and will help students test their knowledge and understanding of these concepts.