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emmainna [20.7K]
4 years ago
11

Simplify, write your answer in scientific notation (4 x 10-6) + (3 x 10-3)

Mathematics
1 answer:
slavikrds [6]4 years ago
6 0

Answer:

Step-by-step explanation: 3004 x 10⁻⁶

These numbers were written in standard forms or in scientific notation or in compressed manner

4 x 10⁻⁶ = 0.000004

3 x 10⁻₃ = 0.003

Adding the two together  gives

0.000004 + 0.003 = 0.003004

                               = 3004 x 10⁻⁶

                             

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The mean cost of a 5 pound bag of shrimp is $50 with the standard deviation of six dollars. If a sample of 40 bags of shrimp is
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SOLUTION

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\begin{gathered} Z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}} \\ where\text{ } \\ x=51.3,\mu=50,\sigma=6,n=40 \end{gathered}

Applying we have

\begin{gathered} Z=\frac{51.3-50}{\frac{6}{\sqrt{40}}} \\ Z=\frac{1.3}{\frac{6}{\sqrt{40}}} \\ Z=1.37032 \end{gathered}

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1 year ago
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