The answer I believe is the second one to the top
Answer:
C.
Step-by-step explanation:
You would follow the order of operations
Parentheses
Exponents
Multiply/Divide
Add/Subtract
if it is multiply or divide, go from left to right. do the same if it is addition or subtraction
4000/10x2+4-8
first, do 4000/10
400x2+4-8
then do 400x2
800+4-8
then do 800+4
804-8
796
rounding to the nearest tens would make it 800
because 9 rounded up is 10
Answer:
Step-by-step explanation:
Given radical is 
We can rewrite the radical as,
(Since, i = 
)
Therefore, simplified form of the given radical will be,
Prime numbers: 2, 3, 5, 7.
There are 4 prime numbers and 10 possibilities, so the probability is 4/10 = 2/5 or 40%
