100,000,000,000,000
165,000,000
0.006
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, your example is written in standard form.
The standard form is 4,035,312,004
Exactly as it appears in the question.
2,700,000,000,000
The standard form is 41,800,000
21.59 in standard form is 2.159 × 101
3,400,000.
200,000,000,000
75
0.012
165,000,000
4,600,000
0.006
60,000
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, your example is written in standard form.