ML Aggarwal Exponents and Powers MCQs Class 8 ICSE Ch-2 Maths Solutions

ML Aggarwal Exponents and Powers MCQs Class 8 Ch-2 ICSE Maths Solutions. We Provide Step by Step Answer of  MCQs for Exponents and Powers as council prescribe guideline for upcoming board exam. Visit official Website CISCE for detail information about ICSE Board Class-8.

ML Aggarwal Exponents and Powers MCQs Class 8 ICSE Maths Solutions

Board	ICSE
Publications	Avichal Publishig Company (APC)
Subject	Maths
Class	8th
Chapter-2	Exponents and Powers
Writer	ML Aggarwal
Book Name	Understanding
Topics	Solution of MCQs
Edition	2023-2024

Exponents and Powers MCQs

ML Aggarwal Class 8 ICSE Maths Solutions

Page-41

Mental Maths

Question 1. Fill in the blanks:

(i) Multiplicative inverse of (-4/5)² = ……..

(ii) If (-7)^x × (1/-7)³ = 7⁸, then value of x is …….
(iii) If 3ⁿ = 729, then n = ……
(iv) The value of (7⁰ + 5⁰) is ……..

Answer:

(i) Multiplicative inverse of (-4/5)² = 25/16

(ii) If (-7)^x × (1/-7)³ = 7⁸, then value of x is 5
(iii) If 3ⁿ = 729, then n = 6
(iv) The value of (7⁰ + 5⁰) is 2

Question 2. State whether the following statements are true (T) or false (F):

(i) The value of (-3)-² is 1 – 9.
(ii) For negative integers m and n, a^m × aⁿ = a^m+n (a ≠ 0).
(iii) 3⁰ × 4⁰ = 12⁰.
(iv) The value of 3⁷ – 2⁷ is 1⁷.
(v) Multiplicative inverse of (-2)⁵ is 1/-32

Answer:

(i) The value of (-3)-² is 1 – 9. False
(ii) For negative integers m and n, a^m × aⁿ = a^m+n (a ≠ 0). True
(iii) 3⁰ × 4⁰ = 12⁰. True
(iv) The value of 3⁷ – 2⁷ is 1⁷. False
(v) Multiplicative inverse of (-2)⁵ is 1/-32 True

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Exponents and Powers MCQs

ML Aggarwal Class 8 ICSE Maths Solutions

Page-41

Choose the correct answer from the given four options (3 to 12):

Question 3. (1/2)^-5 is equal to

(a) 32
(b) 1/32
(c) -32
(d) -1/32

Answer:

(1/2)^-5 g= (2)⁵= 2 × 2 × 2 × 2 × 2 = 32 (a)

Question 4. 

Answer: (c) 1

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Exponents and Powers MCQs

ML Aggarwal Class 8 ICSE Maths Solutions

Page-42

Question 5. If 2⁴ × 4³ = 4^x, then the value of x is

(a) 5
(b) 7
(c) 4
(d) -5

Answer:  x = 5 (a) 

Question 6.

Answer: 

Question 7. Multiplicative inverse of (−2/3)⁴ is

(a) 16/81
(b) −16/81
(c) 81/16
(d) −81/16

Answer: (c) 81/16

Question 8. 2° + 3° + (1/4)° is equal to

(a) 21/4
(b) 0
(c) 9
(d) 3

Answer: (d) 3

Question 9. If

(a) -2
(b) 6
(c) 2
(d) -6

Answer:

—  : End of ML Aggarwal Exponents and Powers MCQs Class 8 ICSE Maths Solutions :–

Return to –  ML Aggarwal Maths Solutions for ICSE Class -8

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