Answer:
4.5points
Step-by-step explanation:
the mean for the data as it is now is 628/8=78.5. when the lowest score is dropped it becomes 581/7= 83 . By subtracting 78.5 from 83 you get 4.5.
5x-3=7
isolate the unknown
add 3 to both sides
5x=10
divide by 5
x=2
Answer:
5400
Step-by-step explanation:
i did the math m8
Answer:

Step-by-step explanation:
Apply the exponent rule
to a


Apply the exponent rule to b

Apply the exponent rule 
