(5 x 10,000)+( 4 x 1,000)+(5 x 100)+(2 x 10)+(4 x 1)+(3 x 0.1)+(2 x 0.01) in standard form

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

This is different from the first one can someone me

Is a positive integer raised to a negative power always positive