Convert the following into a decimal:

$4\frac{1}{20}$

If $59$ buckets of equal capacity can be filled with $560.5$ liters of water, then find the capacity of each bucket.

Simplify: 

$31-4+6÷3\times 2$

Simplify:

$128÷4-12\times 3+14$

Simplify: 

$\frac{1}{20}÷\frac{4}{5}\times 2+\frac{1}{4}-\frac{1}{8}$

Simplify: 

$3\frac{1}{2}+\frac{5}{8}÷\frac{3}{4}-\frac{1}{2}\times 2\frac{1}{2}$

Write your answer up to two decimal places.

Simplify: 

$0.72÷1.2+3.5\times 4.2-1.6$

Simplify: 

$9.2+3.5-4.9-3.5÷0.7\times 1.2$

Round each of the following to the nearest ten thousand:

$7930$