You turn it into a percent by multiplying by 100 because a percent means out of a hundred so that's how you do it. You just multiply the decimal by 100.
<span />
This is equivalent to finding a function g in which

.
We simply reverse the actions of the initial function by adding 81 back and taking the square root. Therefore,

.
Answer:
There was 62.23% change in radius as the ion formed.
Step-by-step explanation:
He would need to $189.60 for eight pairs of jeans.