Simplification of Expressions with Exponents

[thorpelizts]

Evaluate each of the following without using the calculator.

View attachment 468

View attachment 469

how to evaluate without even using calculator?

 

[Sudharaka]

Evaluate each of the following without using the calculator.

https://www.physicsforums.com/attachments/468

View attachment 469

how to evaluate without even using calculator?

Hi thorpelizts, :)

All you need to know to simplify these expressions are the Laws of Exponents. What have you tried so far?