It is already in standard form as written.
Not sure about wirte but you could write it as 5.136094
It is written as twenty-five.
198 = 1.98 × 102
115/198
1.0353535... is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 205/198.
It is already in standard form.
0.015
Not sure about wirte but you could write it as 5.136094
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, your example is written in standard form.
0.000007
70,000 = seventy thousand.
one and three hundredths
It is written as twenty-five.
7.03
198 = 1.98 × 102
115/198
Five hundred thirteen and ninety-five hundredths.