SECTION A – MCQs
1. Value of 
a) 1/9 b) 9 c) 3 d) 1/3
2. Reciprocal of 
a) 
b) c) 1/64 d) 64
3. 
a) 125 b) –125 c) –25 d) 25
4. 
= ?
a) 
b) 
c) 
d) 
5. 
a) 2² b) 2⁻² c) 4 d) 2
6. 
a) 7⁻² b) 7² c) 1/7 d) 1/49
7. Standard form of 0.00000092
a) 
b) 
c) 
d) 
8.
a) 0 b) –1 c) 1 d) 57
9. Correct law:
a) 
b) 
c) 
d) 
10.
a) 0.01 b) 0.1 c) 10 d) 100
SECTION B – VERY SHORT ANSWERS
11. Express in standard form:
a) 
b) 
12. Express in usual form:
a) 
b) 
13. Evaluate: 
14. If: 
Find m.
15. Simplify:
16. Write in exponential form:
17. Find:
18. Simplify:
19. Solve for x:
20. Write reciprocal form of:
SECTION C – SHORT ANSWER QUESTIONS (6 Questions)
21. Simplify:
22. Convert to standard form and add:
23. Simplify:
24. Evaluate:
25. Write as a single power of 5:
26. Find a:
SECTION D – LONG ANSWER QUESTIONS
27. Simplify completely:
28. Jupiter mass:
Sun mass:
Find:
a) Total mass
b) How many times heavier the Sun is
29. Find x:
30. Solve for x:
a) 
b) 
ANSWER SHEET
SECTION A – MCQs
1 – b
2 – a
3 – b
4 – b
5 – b
6 – a
7 – b
8 – b
9 – b
10 – d
SECTION B – VERY SHORT ANSWERS
11a) 
11b) 
12 a) 4500
b) 0.00072
13) 
14) 
15) 
16) 
17) 16
18) 
19) 
20) 
SECTION C – SHORT ANSWERS
21) 
22) 
23) 
24) 
25) 
26)
SECTION D – LONG ANSWERS
27) Convert all to base 2:
(Explanation included inside one block)
![\text{Since } 16=2^{4},\ 8=2^{3},\ 4=2^{2},\[4pt] \frac{2^{-8} \times 2^{-3} \times 2^{5}}{2^{-6}} = 2^{-8-3+5+6} = 2^{0} = 1](https://thebusybrains.in/wp-content/ql-cache/quicklatex.com-751d8fb6771212c1f94ac8b0f7195503_l3.png "Rendered by QuickLaTeX.com")
28a) 
28b) 
Sun ≈ 1046 times heavier
29)
30a)
30b)
