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padilas [110]
2 years ago
11

NEED HELP IMMEDIATELY. 50 POINTS TO THE BEST ANSWER.

Mathematics
2 answers:
Reil [10]2 years ago
8 0

Answer:

See below

Step-by-step explanation:

r=0 means there is zero correlation between the independent and dependent variables. Most likely, some other regression model will help to bring the value of r closer to -1 or 1 to show a strong correlation.

QveST [7]2 years ago
6 0

variable is 0

so the model is a variable that equals the variable of r

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aliya0001 [1]

Answer:

In 1942 , the U.S. Mint produced 154,500,000 nickels. The scientific notation of 154,500,000 is obtained as $1.545 \times 10^{8}$.

Step-by-step explanation:

  • In the problem, it is given that in 1942, the U.S. Mint produced 154,500,000 nickels.
  • It is required to write 154,500,000 in scientific notation.
  • To solve this first, move the decimal point so that the first factor is greater than or equal to 1 also it should be less than 10.
  • Count the number of decimal places n, and write the number as a product with a power of 10. Then check the answer.

Step 1 of 2

Obtain the scientific notation.

Here the original number, 154,500,000 is greater than 1 so we will have a positive power of 10 .

Move the decimal point to get 1.545, a number between 1 and 10 . Then we get,

1.54500000

The count of the number of decimal places the point was moved is 8 .

Write as a product with a positive power of 10 .

$1.545 \times 10^{8}$

Step 2 of 2

Check the answer.

Rewrite and simplify to check our answer.

$$\begin{gathered}1.545 \times 10^{8}=1.545 \times 100000000 \\=154500000\end{gathered}$$

7 0
1 year ago
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