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 = 7^{8}, then value of x is …….

(iii) If 3^{n} = 729, then n = ……

(iv) The value of (7^{0} + 5^{0}) is ……..

**Answer:**

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

(ii) If (-7)^{x }× (1/-7)³ = 7^{8}, then value of x is **5**

(iii) If 3^{n} = 729, then n = **6**

(iv) The value of (7^{0} + 5^{0}) 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} × a^{n} = a^{m+n} (a ≠ 0).

(iii) 3^{0} × 4^{0} = 12^{0}.

(iv) The value of 3^{7} – 2^{7} is 1^{7}.

(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} × a^{n} = a^{m+n} (a ≠ 0). **True**

(iii) 3^{0} × 4^{0} = 12^{0}. **True**

(iv) The value of 3^{7} – 2^{7} is 1^{7}. **False**

(v) Multiplicative inverse of (-2)^{5} is 1/-32 **True**

**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

^{-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**

**Exponents and Powers MCQs **

ML Aggarwal Class 8 ICSE Maths Solutions

Page-42

**Question 5. If 2**^{4} × 4^{3} = 4^{x}, then the value of x is

^{4}× 4

^{3}= 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**

^{4 }

(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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