In order to get the answer to this question you have to remember that if the exponent is positive you need to move to the right, and if the exponent is negative you got to move to the left.

- Positive so move to the right 8 times....


Therefore the answer is "490000000."
Hope this helps!
Nonportrit
Hello!!
The square root of pi 3.14 is:

I am sure you can figure out the main point!
Good luck :)
The answer is 4.8873, so you can say over 4 times as great, or almost 5 times as great for the first question.
And I think the second question could be because those over 35 years old have a more stable career, they're more developed skill-wise & worth more to their company so they're paid more, and of higher ranking in their professions, etc.