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 |

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

**Ex 12.1 Class 8 Maths Question 1.**

Evaluate :

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

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

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

**Solution:**

**Ex 12.1 Class 8 Maths Question 2.**

Simplify and express the result in power notation with positive exponent:

**(i)** (-4)^{-5} ÷ (-4)^{-5}

**(ii)** \(\left( \frac { 1 }{ { 2 }^{ 3 } } \right) ^{ 2 }\)

**(iii)** (-3)^{-4} x \(\left( \frac { 5 }{ 3 } \right) ^{ 4 }\)

**(iv)** (3^{-7} ÷ 3^{-10}) x 3^{-5}

**Solution:**

**Ex 12.1 Class 8 Maths Question 3.**

Find the value of :

**(i)** (3^{0} + 4^{-1}) x 2^{2}

**(ii)** (2^{-1} x 4^{-1}) ÷ 2^{-2}

**(iii)** \(\left( \frac { 1 }{ 2 } \right) ^{ -2 }+\left( \frac { 1 }{ 3 } \right) ^{ -2 }+\left( \frac { 1 }{ 4 } \right) ^{ -2 }\)

**(iv)** (3^{-1} 4^{-1} + 5^{-1})^{0}

**(v)** \(\left\{ \left( \frac { -2 }{ 3 } \right) ^{ -2 } \right\} ^{ 2 }\)

**Solution:**

**Ex 12.1 Class 8 Maths Question 4.**

Evaluate

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

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

**Solution:**

**Ex 12.1 Class 8 Maths Question 5.**

Find the value of m for which 5^{m} + 5^{-3} = 5^{5}.

**Solution:**

**Ex 12.1 Class 8 Maths Question 6.**

Evaluate

**Solution:**

**Ex 12.1 Class 8 Maths Question 7.**

Simplify :

**Solution:**

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