No. Negative numbers form a set of numbers. Numbers written as decimals is a notation for writing numbers. Different things.
Negative numbers can be written as decimals, fractions, complex numbers, etc.
Numbers written as decimals can be either negative numbers, zero, or positive numbers. They can also be integer numbers or real numbers.
There are no such numbers, because every number has a decimal representation. But you can have photo negatives and photo positives which will have no fractions or decimals.
Integer: int [This can store Negatives and Positives but no decimals] Floating point: double [This can store negatives and positives and decimals] float [This is rarely used] text string: "Text here"
Since there are two negatives, the answer has to be positive. So, just mulitpl as usual.
Are equivalent decimals.
Decimals are all ready decimals so how could you say to convert it back to decimal
What are fractions or decimals that name the same amount