myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5    
  you are taking the following test:

 
Grade: 8,    Subject: Math,    Topic: Number and Number Sense Numerical expressions with Exponents
Question 1:
What is the value of the following expression?

5 2 + 5 3

125150

10025
 
Question 2:
What is the value of the following expression?

10 3 + 10 4

200020000

110011000
 
Question 3:
Solve the following expression using proper order of operation.

102 × 102 − 104

10,0001,000

1000
 
Question 4:
Solve the following expression using proper order of operation.

204 ÷ 102 − 103

4000400

6001600
 
Question 5:
Simplify the following expression using proper order of operation.

a6 ÷ a2 × a3

a7a5

a6a3
 
Question 6:
Simplify the following expression using proper order of operation.

(a + b)4 × (a + b)2 × (a + b)1

(a + b)3(a + b)7

(a + b)4(a + b)1
 
Question 7:
What is the value of (a + b + c)1

where a = 2, b = 2, c = 5?

47

918
 
Question 8:
What is the value of (a + b + c)0

where a = 2, b = 2, c = 5?

918

1−6
 
Question 9:
Which of the following is equal to the 7n+2?

7n + 727n × 72

7n2n7 + 27
 
Question 10:
Which of the following is equal to the 100n-2?

100n + 1002100n - 1002

100n ÷ 1002100n ÷ n2
 
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