93000000 is, itself a whole number so you would write it exactly as in the question.
To write 1.98 in standard form, you would move the decimal point two places to the right to make it a whole number. This would result in 198. Therefore, 1.98 in standard form is 198.
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, the way you wrote the number is the standard form for your example. You would usually write it with comma separators as: 3,450
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, your example is written in standard form.
To write 215 in standard form, you would simply write it as it is: 215. Standard form is the usual way of writing numbers, without any extra symbols or notation. It is essentially the standard or most common way of representing a number.
93000000 is, itself a whole number so you would write it exactly as in the question.
9.3 x 107
The number 93,000,000 written as a Roman numeral would be [XCIII] with a horizontal bar placed above it (which I can't write with my keyboard).
ninety-three million.
93000000
You would write it like this 1.0761911
You would write it as 1.7x102
26,300,000,000
5,200,000,000
The standard notation for the number 3.4 billion is 3,400,000,000.
To write this number in standard form in millions would be 810,300,000.4.
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, the way you wrote the number is the standard form for your example. However, one would usually write it with comma separators as: 8,900