Practice MCQ Questions and answers on Chapter 2: Indices & Standard Form - Math Mcqs for Grade 8

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Chapter 2: Indices & Standard Form - Math Mcqs for Grade 8

1.

By solving 4(x - y)⁶ ⁄²(x - y), the answer will be

A. 2(x - y)³

B. 2(x - y)⁷

C. 2(x - y)⁶

D. 2(x - y)⁵

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2.

By simplifying the a3⁄4 ⁄a1⁄2 x a1⁄3 , the answer will be

A. a7⁄13

B. a5⁄11

C. a7⁄12

D. a9⁄11

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3.

The answer of 69.6 in standard form is

A. 6.96 x 10²

B. 6.96 x 10¹

C. 6.96 x 10³

D. 6.96 x 10-²

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4.

By solving the following (2³)⁴ , the answer will be

A. 2⁷

B. 2¹²

C. 2

D. 2⁸

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5.

By simplifying [(16x⁶ y⁵ )²) ⁄(2x²y²)⁴ ] x [x⁵ y³ ⁄x³y², the answer will be

A. 16x⁴ y²

B. 16x⁵ y³

C. 16x⁶ y³

D. 16x⁷ y⁵

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6.

By simplifying the a³b5⁄6 ⁄a1⁄2 b2⁄3 , the answer will be

A. a2⁄5 b1⁄4

B. a1⁄2 b1⁄5

C. a2⁄3 b5⁄6

D. a5⁄2 b1⁄6

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7.

By simplifying (3xy³)³, the answer will be

A. 18x³y⁸

B. 24x⁵ y⁸

C. 27x⁴ y⁸

D. 27x³y⁹

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8.

The answer of (7.2 x 10¹⁶ )/(3.4 x 10¹⁸ ) in standard form is

A. 2.12 x 10-²

B. 2.12 x 10-²

C. 2.12 x 10-²

D. 2.12 x 10-²

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9.

By expressing the answer in form of 10n , the answer of 10⁶ x 10-³ ⁄10-⁵ is

A. 10⁶

B. 10⁵

C. 10⁷

D. 10⁸

Answer & Solution Discuss in Board

10.

The product of q³ and q² is equal to

A. q

B. q⁵

C. q⁷

D. q⁶

Answer & Solution Discuss in Board

4

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