and are two ways of writing the same number.
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and are two ways of writing the same number.
Indeed, both forms are identical since a number without a sign will be positive, as in the case of 3.98
If there is a plus sign before the number, the number is necessarily positive, as in the case of +3.98
Therefore, the answer is correct.
True
All negative numbers appear on the number line to the left of the number 0.
It's a mathematical convention to save space and simplify notation. Just like we don't write +5 apples when counting - we know positive is the default!
Include + signs when you need to emphasize that a number is positive, especially when comparing with negative numbers or in coordinate systems.
No! The plus sign before a number always indicates positive value. It's different from the + symbol used for addition between numbers.
Zero is neither positive nor negative - it's neutral! You might see it written as 0, +0, or -0, but they all represent the same value.
Think of positive as the default state - like room temperature being normal without saying 'warm'. The + sign is just extra emphasis!
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