Answer:
5×10⁵
5×10⁶
Step-by-step explanation:
1)

2)

<span>21.12 is 25.6% of 82.5</span>
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Let cost of 1 apple i=x dollar
and cost of 1 orange =y dollar
according to question we get following equation
james, 5x +10y=4.......(1)
donald, 3x+9y=3........(2)
solving 1,2 eq. we get
x=2/5 dollars and y=1/5 dollars
Answer: (0.685, 0.735)
Explanation:
First, we will compute the confidence level of the given:

They gave us a margin of error of 0.025. From the given, we know that p=71%=0.71.
The confidence interval would then be:

Therefore, the confidence interval would then be (0.685, 0.735)