You can use mathpapa for 1,2,3 and 4 :)
Answer:
-13/20
Step-by-step explanation:
-0.65 = -65/100
gcd(65,100) = 5
-0.65 = -(65/5)/(100/5) = -13/20
Answer:
2.24
Step-by-step explanation:
The absolute value sign means that any negative number inside turns positive. Its easier to "see" this by thinking of distances. Distances can never be negative, so when you calculate them, in your head you just remove the negative sign. That's what this absolute value sign does.
