5.4x10 to the 3 power in standard form

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Can you decompose the numbers 20,740,6,000

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !