6.75%
1 penny = 50% chance of tail
50% x 50% x 50% x 50%= 6.75%
Answer: Look at the picture ⬇️
Answer:
c. 8
Step-by-step explanation:
1) 
2) 
3) 
4) 
_________________
√(-√2-(-√2))²+(√3-2√3)²= 3
Answer:
He must study for at least 7.5 hours each week
Step-by-step explanation:
Here, we want to know the number of hours that Mr Smith must study each week
From the question, we are told that he must study a minimum of 60 hours total over the course of the 8 weeks
The number of hours he must study each week will be 60/8 = 7.5 minimum number of hours each week
