2. Power Play – Textbook Worksheet

Multiple Choice Questions

Q1: What is the base of the exponent 69?
(a) 
6
(b)
 2
(c)
 9
(d) 
None

Q2: Find the missing number 

(a) 2
(b) 
−5
(c) 
1
(d)
 None

Q3: Find the value of  (52)2
(a) 
125
(b)
 625
(c) 
25
(d
) 0

Q4: Find the value of x, when 2x=44
(a) 
x=6
(b) 
x=2
(c) 
x=8
(d) 
x=−5

Q5: Find the value of (211+62−51)0= ?
(a) 
0
(b) 
−1
(c) 
1
(d) 
None

State true or false

Q1:  (100+120)(160+120)=82

Q2: (34)2=38

Q3: (52)3=100000

Q4: Among 27,32,42, and 63, 6is the greatest.

Q5: 625 can be expressed as 45.

Answer the following Questions

Q1: Follow the pattern and complete

Q2: If 2× 5x=1000 then x=?

Q3: Find 33+ 43 + 53 and give the answers in cube

Q4: Find the missing number x in  52+x2=132

Q5: Simplify in exponent form (34× 32)÷ 3−4

Q6: Expand
(a) 1526.26
(b) 8379
Using exponents

Q7: Express the following number as a product of powers of prime factors.
(a) 1225
(b) 3600

Q8: Express the following large no’s in its scientific notation.
(a)
 491200000
(b) 301000000

Q9: Express the following in usual form
(a) 3.02 ×10−6
(b) 5.8 × 1012

Q10: Prove that 

You can access the solutions to this unit test here.