BrainUp Kids
Question Paper
Class / Subject: Class 8 (CBSE) · Mathematics
Chapter: Chapter 2 — Chapter 2: Power Play
Time Allowed: 15 minutes
Max Marks: 6
Instructions: All questions are compulsory. Each question carries 1 mark. Choose the correct option for each question.
1. 3^2 x 3^3 equals: [1]
(A) 3^5
(B) 3^6
(C) 9^5
(D) 3^1
2. Simplify: 5^4 ÷ 5^2. [1]
(A) 5^2
(B) 5^6
(C) 5^8
(D) 5^1
3. (2^3)^2 equals: [1]
(A) 2^6
(B) 2^5
(C) 2^9
(D) 4^3
4. 2^-2 equals: [1]
(A) 1/4
(B) -4
(C) 4
(D) -1/4
5. The speed of light in standard form is written as: [1]
(A) 3 x 10^8 m/s
(B) 300000000 m/s only
(C) 3^8 m/s
(D) 8 x 10^3 m/s
6. Standard form expresses numbers as: [1]
(A) a number between 1-10 times a power of 10
(B) always a whole number
(C) a fraction only
(D) a negative number only