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8th Grade > Mathematics

INDICES AND STANDARD FORM MCQs

Total Questions : 40 | Page 3 of 4 pages
Question 21. By simplifying the following 2b⁴ x 8b⁷ ⁄₁₆b⁵ x 2b³, the answer will be
  1.    3⁄2b³
  2.    3⁄4b³
  3.    1⁄2b³
  4.    2b³
 Discuss Question
Answer: Option C. -> 1⁄2b³
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 22. If 54x⁷ is divided by 6x² then the answer will be
  1.    9x⁹
  2.    9x⁵
  3.    5x⁹
  4.    6x⁹
 Discuss Question
Answer: Option B. -> 9x⁵
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 23. By solving the (4x)³, the answer will be
  1.    84x²
  2.    64x²
  3.    64x4
  4.    64x³
 Discuss Question
Answer: Option D. -> 64x³
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 24. By simplifying (2a³b⁴ )⁶ ⁄(4a³b)² x (a²b²), the answer will be
  1.    4a⁸ b¹⁸
  2.    4a¹⁰ b²⁰
  3.    4a¹⁰ b¹⁵
  4.    4a⁵ b⁸
 Discuss Question
Answer: Option B. -> 4a¹⁰ b²⁰
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 25. The product of a⁵ b² and a² is
  1.    a³b²
  2.    a⁴ b²
  3.    a⁷ b²
  4.    a¹⁰ b²
 Discuss Question
Answer: Option C. -> a⁷ b²
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 26. By simplifying the (xy²z)-³ ⁄(x³y³z³)-² , the answer will be
  1.    x²y³
  2.    x-³ z-³
  3.    x³z³
  4.    x²z-³
 Discuss Question
Answer: Option C. -> x³z³
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 27. By simplifying the 3x-⁴ ⁄10y-⁴ for positive indices, the answer will be
  1.    3/10(y/x)⁴
  2.    10/3(y/x)⁴
  3.    10/3(x/y)⁴
  4.    (3x/10y)⁴
 Discuss Question
Answer: Option A. -> 3/10(y/x)⁴
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 28. If 52a¹⁰ is divided by 4a⁸ then the answer will be
  1.    15a²
  2.    18a²
  3.    21a²
  4.    13a²
 Discuss Question
Answer: Option D. -> 13a²
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 29. If 4x = 1⁄64 then the value of 'x' is
  1.    -1
  2.    -4
  3.    -3
  4.    -2
 Discuss Question
Answer: Option C. -> -3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 30. The product of 9.2 x 10⁵ and 4.3 x 10⁹ is
  1.    3.96 x 10¹¹
  2.    3.96 x 10¹³
  3.    3.96 x 10¹⁹
  4.    3.96 x 10⁷
 Discuss Question
Answer: Option B. -> 3.96 x 10¹³
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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