Answer:
1
Step-by-step explanation:
Anything to the zeroth power except zero is always 1
20 a: x = 5
20 b: x = 12
17 c: 30
3x-2-1=2-5x+5
3x-3= 3-5x
3x=5-5x
8x=5
The 2 is in the tenths place so it is two-tenths.
Two-tenths = 2/10= .2
I hope that answers your question.