How is 0.0008235 written in scientific notation

1 answer:

8 0

Okay, move the decimal behind the 8. There are 4 places before the decimal so it is nagitive. If there are places Infront of the decimal is nagitive. So the answer is 8.235×10-4

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6 cars are racing. In how many ways can first, second and third places be awarded?

sammy [17]

Answer:

18ways

Step-by-step explanation:

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3 years ago

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A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity. She t

FinnZ [79.3K]

Answer:

(19229.11 ,20770.89)

Step-by-step explanation:

We are given the following information:

Sample size, n = 17

Sample mean = 20,000 pounds

Sample standard deviation = 1,500 pounds

Confidence level = 95%

Significance level = 5% = 0.05

95% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 16 and}~\alpha_{0.05} = \pm 2.119$

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3 years ago

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SashulF [63]

your answer would be -2.57142857143

6 0

3 years ago

I=prt for t I=105 p=700 and r=0.05

Pachacha [2.7K]

t = 3

Simple interest will be derived by multiplying the principal, the interest rate, and the term.

Interest = Principal x Rate x Term

Interest = 105
Principal = 700
Rate = 0.05
Term = ?

Based on the Simple Interest formula,

term = Interest / principal x rate
term = 105 / (700 x 0.05)
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3 years ago

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C + a = 132.....a = 132 - c
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5.10c + 9.60(132 - c) = 898.20
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5.10c - 9.60c = 898.20 - 1267.20
-4.50c = - 369
c = -369/-4.50
c = 82 <=== child tickets sold

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3 years ago