Answer:
It has 5 significant figures.
Step-by-step explanation:
Step-by-step explanation:
ratio =4:1
total= 4+1 =5
1/5 × 52= 10.4 years
Answer- 21
-6+-9
—
-3
-6+27=21
Answer:
its 6 I just took the assignment
Answer: its b
Step-by-step explanation: i solved it through seconesion