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word problems for seventh grade exponents Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute. What is the total number of viruses after 2 minutes ? a. 25 c. 15 b. 35 d. 50 ____ 2. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute. What is the total number of viruses after 6 minutes ? a. 15635 c. 15615 b. 31250 d. 15625 ____ 3. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute. What is the total number of viruses after 6 minutes ? a. 15615 c. 31250 b. 15635 d. 15625 ____ 4. After settling down in an alive organism a HIV virus can increase at the rate of 3 times each minute. What is the total number of viruses after 4 minutes ? a. 81 c. 71 b. 162 d. 91 ____ 5. After settling down in an alive organism a HIV virus can increase at the rate of 4 times each minute. What is the total number of viruses after 6 minutes ? a. 4096 c. 4086 b. 4106 d. 8192 ____ 6. After settling down in an alive organism a hepatitis virus can increase at the rate of 4 times each minute. What is the total number of viruses after 3 minutes ? a. 64 c. 74 b. 128 d. 54 ____ 7. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute. What is the total number of viruses after 5 minutes ? a. 3125 c. 6250 b. 3115 d. 3135 ____ 8. After settling down in an alive organism a flu virus can increase at the rate of 4 times each minute. What is the total number of viruses after 2 minutes ? a. 6 c. 26 b. 16 d. 32 ____ 9. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute. What is the total number of viruses after 2 minutes ? a. 25 c. 15 b. 35 d. 50 ____ 10. After settling down in an alive organism a HIV virus can increase at the rate of 2 times each minute. What is the total number of viruses after 5 minutes ?

TEXAS EIGHTH GRADE STAAR TEST PREPARATON Problem Solving for Exponents

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word problems for seventh grade exponentsMultiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute. What is the total number of viruses after 2 minutes ? a. 25 c. 15 b. 35 d. 50 2. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute. What is the total number of viruses after 6 minutes ? a. 1

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Page 1: TEXAS EIGHTH GRADE STAAR TEST PREPARATON Problem Solving for Exponents

word problems for seventh grade exponents

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute.

What is the total number of viruses after 2 minutes ?

a. 25 c. 15

b. 35 d. 50

____ 2. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute.

What is the total number of viruses after 6 minutes ?

a. 15635 c. 15615

b. 31250 d. 15625

____ 3. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute.

What is the total number of viruses after 6 minutes ?

a. 15615 c. 31250

b. 15635 d. 15625

____ 4. After settling down in an alive organism a HIV virus can increase at the rate of 3 times each minute. What is

the total number of viruses after 4 minutes ?

a. 81 c. 71

b. 162 d. 91

____ 5. After settling down in an alive organism a HIV virus can increase at the rate of 4 times each minute. What is

the total number of viruses after 6 minutes ?

a. 4096 c. 4086

b. 4106 d. 8192

____ 6. After settling down in an alive organism a hepatitis virus can increase at the rate of 4 times each minute.

What is the total number of viruses after 3 minutes ?

a. 64 c. 74

b. 128 d. 54

____ 7. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute.

What is the total number of viruses after 5 minutes ?

a. 3125 c. 6250

b. 3115 d. 3135

____ 8. After settling down in an alive organism a flu virus can increase at the rate of 4 times each minute. What is

the total number of viruses after 2 minutes ?

a. 6 c. 26

b. 16 d. 32

____ 9. After settling down in an alive organism a hepatitis virus can increase at the rate of 5 times each minute.

What is the total number of viruses after 2 minutes ?

a. 25 c. 15

b. 35 d. 50

____ 10. After settling down in an alive organism a HIV virus can increase at the rate of 2 times each minute. What is

the total number of viruses after 5 minutes ?

Page 2: TEXAS EIGHTH GRADE STAAR TEST PREPARATON Problem Solving for Exponents

a. 22 c. 42

b. 32 d. 64

Page 3: TEXAS EIGHTH GRADE STAAR TEST PREPARATON Problem Solving for Exponents

word problems for seventh grade exponents

Answer Section

MULTIPLE CHOICE

1. ANS: A PTS: 1

2. ANS: D PTS: 1

3. ANS: D PTS: 1

4. ANS: A PTS: 1

5. ANS: A PTS: 1

6. ANS: A PTS: 1

7. ANS: A PTS: 1

8. ANS: B PTS: 1

9. ANS: A PTS: 1

10. ANS: B PTS: 1