Question

Evaluate. Write your answer as a fraction or whole number without exponents. 7^–1 =

Answer 1

The answer is

`(1)/(7)`

Explanation:

Using the rules of indices

`{a}^( - b)`

Can be written as

`\frac{1}{ {a}^(b) }`

So

`{7}^( - 1)`

Can be written as

`(1)/(7)`

Hope this helps you.