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 3 125 150 100 25
 Question 2: What is the value of the following expression? 10 3 + 10 4 2000 20000 1100 11000
 Question 3: Solve the following expression using proper order of operation. 102 × 102 − 104 10,000 1,000 100 0
 Question 4: Solve the following expression using proper order of operation. 204 ÷ 102 − 103 4000 400 600 1600
 Question 5: Simplify the following expression using proper order of operation. a6 ÷ a2 × a3 a7 a5 a6 a3
 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? 4 7 9 18
 Question 8: What is the value of (a + b + c)0 where a = 2, b = 2, c = 5? 9 18 1 −6
 Question 9: Which of the following is equal to the 7n+2? 7n + 72 7n × 72 7n2 n7 + 27
 Question 10: Which of the following is equal to the 100n-2? 100n + 1002 100n - 1002 100n ÷ 1002 100n ÷ n2