Question 5 A certain fictional element has two isotopes with the following masses and abundances:
X
68.9290
87.92 0
31.0896
90.92
What is the average atomic mass for this fictional element?

helloi think dog cat bunny dog cat bunny dog cat bunny

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )