Question

please solve this question​

Answer 1

Answer:

Step-by-step explanation:

3⁻⁶/⁷  * 4⁻³/⁷  * 9 ³/⁷  * 2⁶/⁷   / 2² + 2⁰ + 2⁻²

= 3⁻⁶/⁷ * (2²)⁻³/⁷  * (3²)³/⁷  * 2⁶/⁷  / 4 + 1 + 1/4  (∵ 2⁰ = 1)

= 3⁻⁶/⁷ * 3⁶/⁷ * 2⁻⁶/⁷ * 2⁶/⁷  /  5 + 1/4

= 3⁻⁶/⁷ ⁺ ⁶/⁷  * 2⁻⁶/⁷ ⁺ ⁶/⁷  / (21/4)    

= 3⁰ * 2⁰  / (21/4)

= 1 * 1 * 4/21

= 4/21