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3 years ago

What is 149,600,000 in scientific notation?

Mathematics

1 answer:

choli [55]3 years ago

3 0

Hello,

Shall we begin?

149,600,000

= 1.496 * 10^8

Answers: 1.496 * 10^8

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Alex is a member of the school track and field team. His times for running various distances are shown. Create a scatter plot fo

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Answer:

(1) Please find attached the graph of the data

(2) 160.396 m

(3) The correlation that exist is a straight line correlation

Step-by-step explanation:

The given data are;

Distance, Time

(m), (s)

50, 6.1

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250, 31.7

(2)

Based on the linear regression formula, we have;

$b = \dfrac{N\sum XY - \left (\sum X \right )\left (\sum Y \right )}{N\sum X^{2} - \left (\sum X \right )^{2}}$

$b = \dfrac{5 \times 17215 - 93.3 \times 750}{5 \times 2156.03 -8704.89} = 7.758$

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The line is

y = 7.7581×x+5.234

When t = 20 s, we have

y = 7.7581*20+5.234 = 160.396 m

(3) The correlation that exist is a straight line correlation

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3 years ago