<em><u>According to a handy-dandy calculator it says it is 19. </u></em>
<em><u></u></em>
<em><u>Hope this helps! :)</u></em>
Answer:

Step-by-step explanation:
<u>→Rewrite the expression so that the exponent is no longer negative. To do this, you write it as:</u>
<u />
<u>→Apply the exponent (4) to the 3, x, and </u>
:

Answer:
A
Step-by-step explanation:
One complete turn is 1 perimeter (aka circumference).
We have to find the length it turned, hence, its circumference.
The formula for circumference (C) of a circle is:

Where r is the radius
The radius is HALF of diameter. Given diameter is 250, the radius is:
r = 250/2 = 125 feet
Now, substituting in formula we have:

So, it turned 785.4 feet with 1 rotation.
The correct answer is A
Answer:
100x
Step-by-step explanation:
5x * 20=100
First round to 899 to 9 then count 5 decimal places left then put in scientific notation 9.0 x 10^-5