Math, asked by reenasethi19, 17 days ago

please tell me the answer of this Maths chapter class 8 NCERT CBSE ​

Attachments:

Answers

Answered by Anonymous
5

Solutions ;;

1. (-5)³ × (-5)⁴

= (-5)³ ⁺ ⁴

= (-5)⁷

     

2. p³ × p⁻¹⁰

= p³ ⁺ ⁽⁻¹⁰⁾

= p⁻⁷

   

3. 3⁵ × 3⁻¹⁰ × 3⁶

= 3⁵ ⁺  ⁽⁻¹⁰⁾ ⁺ ⁶

= 3⁽⁻⁵⁾ ⁺ ⁶

= 3₁ i.e. 3

   

4. (2⁵ ÷ 2⁸)⁵ × 2⁻⁵

= (2⁵⁻⁸)⁵ × 2⁻⁵

= (2³)⁵ × -2⁻⁵

= 2 × 2⁻⁵

= 2¹ × 2⁻⁵

= 2¹ ⁺ ⁽⁻⁵⁾

= 2⁻⁴

   

5. (-4)⁻³ × (5)³ × (-5)⁻³

= (-4)⁻³ × 5³⁺⁽⁻³⁾

= (-4)⁻³ × 5⁰⁰

= (-4)⁻³ × 1

= (-4)⁻³

             

6. (-3)⁴ × (⁵/₃)⁴

= (-3 × ⁵/₃)⁴

     

Similar questions