What is 52 tens and 3ones in standard form

Standard form is a way of writing down very large or very small numbers easily. 103 = 1000, so 4 × 103 = 4000 . ... Small numbers can also be written in standard form. However, instead of the index being positive (in the above example, the index was 3), it will be negative.

No because if you do the higher number minus the lower number you will get a positive. if you do it the other way around you will get a negative number

The answer of the above is