Answer:
In standard form 'three million and nine tenths' is written as 3000000.9.
Step-by-step explanation:
Given : Expression 'three million and nine tenths'.
To find : Write expression in standard form ?
Solution :
According to place value system,
Million Hundred Th. Ten Th. Thousand Hundred Tens Ones | tenths
3 0 0 0 0 0 0 9
Three million and nine tenths written as
[tex]=3\times 1000000+9\times \frac{1}{10}[/tex]
[tex]=3000000+0.9[/tex]
[tex]=3000000.9[/tex]
In standard form 'three million and nine tenths' is written as 3000000.9.
