I'm using PEDMAS.
Multiplication first.
2 • 4 = 8
Subtraction.
20 - 4 = 16
16 + 8 = 24
Please let me know if you spot any errors (especially the fraction operation)
Answer:
What is the variance? 84000
What is the standard deviation, rounded to the nearest whole number? 290
5 stars if this helped
Step-by-step explanation: