In **Online Education** NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1 are part of NCERT Solutions for Class 8 Maths. Here we have given NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1.

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 8 |

Subject |
Maths |

Chapter |
Chapter 12 |

Chapter Name |
Exponents and Powers |

Exercise |
Ex 12.1 |

Number of Questions Solved |
7 |

Category |
NCERT Solutions |

## Online Education NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1

**Question 1.**

**Evaluate :**

**(i)** \({ 3 }^{ -2 }\)

**(ii)** \({ -4 }^{ -2 }\)

**(iii)** \(({ \frac { 1 }{ 2 } ) }^{ -5 }\)

**Solution.**

**Question 2.**

**Simplify and express the result in power notation with positive exponent.**

**Solution.**

**Question 3.**

**Fmd the value of:**

**Solution.**

**Question 4.**

**Evaluate**

**(i)** \(\frac { { 8 }^{ -1 }\times { 5 }^{ 3 } }{ { 2 }^{ -4 } } \)

**(ii)** \(({ 5 }^{ -1 }\times { 2 }^{ -1 })\times { 6 }^{ -1 }\)

**Solution.**

**Question 5.**

Find the value of m for which \({ 5 }^{ m }+{ 5 }^{ -3 }={ 5 }^{ 5 }\)

**Solution.**

**Question 6.**

**Evaluate :**

**Solution.**

**Question 7.**

**Simplify:**

**(i)** \(\frac { 25\times { t }^{ -4 } }{ { 5 }^{ -3 }\times 10\times { t }^{ -8 } } \) (t ≠ 0)

**(ii)** \(\frac { { 3 }^{ -5 }\times { 10 }^{ -5 }\times 125 }{ { 5 }^{ -7 }\times { 6 }^{ -5 } } \)

**Solution.**

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