56 million is 56,000,000.
A number is written is scientific notation, if it is written as :
[tex]x \cdot10^n[/tex], where x is a decimal number (possibly integer), with only one digit to the left of the decimal point, and n is an integer.
thus [tex]56,000,000=56\cdot10^6=5.6 \cdot10 \cdot 10^6=5.6\cdot 10^7[/tex]
Answer: [tex]5.6\cdot 10^7[/tex]