Answer:
85
Step-by-step explanation:
Write the numbers in order
66, 72, 74, 80, 83, 87, 91, 95, 98, 99
Find the middle number
83 and 87 are in the middle, so find the mean of them. 83+87= 170
170/2 = 85.
Hello!
<u><em>Answer: </em></u>
<u><em>1. =-6</em></u>
<u><em>2. =39</em></u>
<u><em>3. =-603</em></u>
_________________________________________________
Explanation: This question's it's about the order of operations. It stands for p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. (PEMDAS)
1. -4(3-1)+2
Do parenthesis first.


Then do multiply left to right.

Add left to right.


*Answer should be have negative sign.*
Answer: → 
______________________________________________________
2. 3⋅[(30−8)÷2+2]
Do parenthesis first.


Then divide left to right.

Add left to right.

Multiply left to right.

*Answer should be have positive sign.*
Answer: → 
_____________________________________________________
3. 14(1-23)2+13
Do parenthesis first.


Then, you multiply left to right.


Add/subtract left to right.


*The answer must be have a negative sign*
Answer: → 
____________________________________________________________
Hope this helps!
Thank you!
Have a great day!
-Charlie
Answer: B
Step-by-step explanation:
-1 will be your answer. (B)
When you multiply 10, move the decimal point to the right one place value
3.14 x 10 = 31.4
31.4 is your answer
hope this helps