Vidaara.orgClass 7 · Mathematics
CodeVID-M07-03-EXP-01
Writing Exponents - Assignment
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
- Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions
5 × 1 = 5 marks
1.
$2\times2\times2=$
- A.$2^2$
- B.$2^3$
- C.$3^2$
- D.$6$
2.
In $5^3$, the $5$ is the:
- A.exponent
- B.base
- C.power
- D.product
3.
In $5^3$, the $3$ is the:
- A.base
- B.exponent
- C.product
- D.factor
4.
$2^4=$
- A.$8$
- B.$16$
- C.$6$
- D.$24$
5.
$10^2=$
- A.$20$
- B.$100$
- C.$1000$
- D.$10$
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Write $3\times3\times3\times3$ in exponent form.
7.
Evaluate $2^5$.
8.
Evaluate $5^2$.
9.
Evaluate $10^3$.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Evaluate $2^4\times2^2$.
11.
Write $7\times7\times7$ as a power and evaluate.
12.
Evaluate $4^3$.
13.
Evaluate $3^3+2^3$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
Evaluate $2^3\times3^2$ and $5^2-2^3$.
15.
Express $64$ as a power of $2$ and as a power of $4$.
Answer Key
Section A — Multiple Choice Questions
- (B) $2^3$
- (B) base
- (B) exponent
- (B) $16$
- (B) $100$
Section B — Short Answer (2 marks)
- $3^4$.
- $32$.
- $25$.
- $1000$.
Section C — Short Answer (3 marks)
- $64$.
- $7^3=343$.
- $64$.
- $35$.
Section D — Long Answer (5 marks)
- $72$ and $17$.
- $2^6$ and $4^3$.
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