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8th Grade > Mathematics

INDICES AND STANDARD FORM MCQs

Total Questions : 40 | Page 4 of 4 pages
Question 31. By solving 4(x - y)⁶ ⁄²(x - y), the answer will be
  1.    2(x - y)³
  2.    2(x - y)⁷
  3.    2(x - y)⁶
  4.    2(x - y)⁵
 Discuss Question
Answer: Option D. -> 2(x - y)⁵
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 32. By solving the following (2³)⁴ , the answer will be
  1.    2⁷
  2.    2¹²
  3.    2
  4.    2⁸
 Discuss Question
Answer: Option B. -> 2¹²
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 33. The answer of 69.6 in standard form is
  1.    6.96 x 10²
  2.    6.96 x 10¹
  3.    6.96 x 10³
  4.    6.96 x 10-²
 Discuss Question
Answer: Option B. -> 6.96 x 10¹
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 34. By simplifying the a3⁄4 ⁄a1⁄2 x a1⁄3 , the answer will be
  1.    a7⁄13
  2.    a5⁄11
  3.    a7⁄12
  4.    a9⁄11
 Discuss Question
Answer: Option C. -> a7⁄12
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 35. By simplifying [(16x⁶ y⁵ )²) ⁄(2x²y²)⁴ ] x [x⁵ y³ ⁄x³y², the answer will be
  1.    16x⁴ y²
  2.    16x⁵ y³
  3.    16x⁶ y³
  4.    16x⁷ y⁵
 Discuss Question
Answer: Option C. -> 16x⁶ y³
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 36. By simplifying the a³b5⁄6 ⁄a1⁄2 b2⁄3 , the answer will be
  1.    a2⁄5 b1⁄4
  2.    a1⁄2 b1⁄5
  3.    a2⁄3 b5⁄6
  4.    a5⁄2 b1⁄6
 Discuss Question
Answer: Option D. -> a5⁄2 b1⁄6
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 37. The product of q³ and q² is equal to
  1.    q
  2.    q⁵
  3.    q⁷
  4.    q⁶
 Discuss Question
Answer: Option D. -> q⁶
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 38. The answer of (7.2 x 10¹⁶ )/(3.4 x 10¹⁸ ) in standard form is
  1.    2.12 x 10-²
  2.    2.12 x 10-²
  3.    2.12 x 10-²
  4.    2.12 x 10-²
 Discuss Question
Answer: Option C. -> 2.12 x 10-²
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 39. By expressing the answer in form of 10n , the answer of 10⁶ x 10-³ ⁄10-⁵ is
  1.    10⁶
  2.    10⁵
  3.    10⁷
  4.    10⁸
 Discuss Question
Answer: Option D. -> 10⁸
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 40. By simplifying (3xy³)³, the answer will be
  1.    18x³y⁸
  2.    24x⁵ y⁸
  3.    27x⁴ y⁸
  4.    27x³y⁹
 Discuss Question
Answer: Option D. -> 27x³y⁹
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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