C. 68°
292° lies on 4th quadrant.
1st quadrant: angle
2nd quadrant: 180° - angle
3rd quadrant: angle - 180°
4th quadrant: 360° - angle
So, reference angle: 360° - 292° = 68°
Answer:
B. 95
Step-by-step explanation:
11/16 sorry I’m stxxupid
t=100
p=3000
t 1/2 = 20
Try inserting the numbers in the half-life formula.