• A. 2x + 1
• B. 2x + 1
• C. 2x
• D. 2

Answer: Option B

Explanation:

• A. 676
• B. 196
• C. 496
• D. 298

Answer: Option A

Explanation:

• A. x6
• B. x7
• C. x3
• D. x9

Answer: Option B

Explanation:

• B. 1
• C. 4
• D. 2

Answer: Option B

Explanation:

• A. 15
• B. 225
• C. 60
• D. 30

Answer: Option B

Explanation:

• A. a 3 − b 3
• B. a 3 + b 3
• C. a 6 − b 6
• D. a 6 + b 6

Answer: Option B

Explanation:

• A. x+6
• B. x 3
• C. 2x+6
• D. 3x+6

Answer: Option D

Explanation:

• B. 1/2
• C. 1/4
• D. 2

Answer: Option B

Explanation:

• A. 98
• B. 49
• C. 28
• D. 21
• E. 14

Answer: Option C

Explanation:

• A. 0.24
• B. .0024
• C. .3
• D. .3

Answer: Option B

Explanation:

• A. ${10}^5$
• B. ${10}^6$
• C. ${10}^7$
• D. ${10}^8$

Answer: Option D

Explanation:

• A. 2
• B. 8
• C. 4
• D. 6

Answer: Option B

Explanation:

• A. 54
• B. 15
• C. 74
• D. 85

Answer: Option C

Explanation:

• A. 2.29
• B. 2.75
• C. 4.25
• D. 4.5

Answer: Option D

Explanation:

• A. $8^{30}$
• B. $8^{120}$
• C. $2^{32}$
• D. $2^{30}$

Answer: Option C

Explanation: