This is the rules: Rule 3: Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive. Basically, - (-4) becomes +4, and then you add the numbers. ... This would read “negative two minus negative 4.”
The circumference of the given circle would be 125.6 cm. This is due to finding the circumference is multiplying it’s diameter by PI (3.14) giving you the total circumference of the circle.
