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8th Grade > Mathematics

INDICES AND STANDARD FORM MCQs

Total Questions : 40 | Page 2 of 4 pages
Question 11. The answer of 412300 in standard form is
  1.    4.1 x 10⁶
  2.    4.1 x 10⁶
  3.    4.1 x 10⁵
  4.    4.1 x 10⁷
 Discuss Question
Answer: Option C. -> 4.1 x 10⁵
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 12. If 125a = 625 then the value of 'a' is
  1.    4 1/3
  2.    3 1/4
  3.    2 1/3
  4.    1 1/3
 Discuss Question
Answer: Option D. -> 1 1/3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 13. The answer of 4.38 x 10⁴ in ordinary notation is
  1.    43800
  2.    438
  3.    4380
  4.    438000
 Discuss Question
Answer: Option A. -> 43800
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 14. By solving the following xy⁸ ⁄xy⁴
  1.    y-⁴
  2.    1/y-⁴
  3.    1/y⁴
  4.    1/y-³
 Discuss Question
Answer: Option B. -> 1/y-⁴
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 15. By simplifying the √4 x √5, the answer in radical form will be
  1.    √4 + √5
  2.    √4 x 5
  3.    √4 - 5
  4.    4² + 5²
 Discuss Question
Answer: Option B. -> √4 x 5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 16. The answer of 0.000045 in standard form is
  1.    4.5 x 10-⁶
  2.    4.5 x 10-⁷
  3.    4.5 x 10-⁵
  4.    4.5 x 10-⁴
 Discuss Question
Answer: Option C. -> 4.5 x 10-⁵
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 17. The product of p³q⁴ and p⁵ q⁵ is
  1.    p⁸ q⁹
  2.    p⁷ q⁶
  3.    p²q
  4.    pq⁹
 Discuss Question
Answer: Option A. -> p⁸ q⁹
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 18. The answer of 0.495 in standard form is
  1.    4.95 x 10-²
  2.    4.95 x 10-³
  3.    4.95 x 10-⁴
  4.    4.95 x 10-¹
 Discuss Question
Answer: Option D. -> 4.95 x 10-¹
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 19. The answer of following (a³b)⁴ is
  1.    a¹⁴ b⁵
  2.    a⁸ b⁴
  3.    a¹² b⁴
  4.    a¹⁰ b³
 Discuss Question
Answer: Option C. -> a¹² b⁴
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 20. By simplifying (3x⁵ y⁶ )⁴ ⁄(3x⁴ y⁶ )³, the answer will be
  1.    3x⁸ y⁶
  2.    3x⁵ y⁷
  3.    3x⁹ y⁵
  4.    3x¹⁰ y⁴
 Discuss Question
Answer: Option A. -> 3x⁸ y⁶
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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