Use the following information to find your final course average in grading system 2test grades ( 75, 82, 88, 70)final exam grade
1 answer:
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Answer:
143
Step-by-step explanation:
Substitute n=3 into the problem
6()-2(
) +3-4
Then figure out squared and power by 3
6(27)-2(9)+3-4
Next multiply
162-18+3-4
Finally, add and subtract
144+3=147
147-4=143