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2 years ago

The graph below shows the solution set of a certain inequality. State one solution represented by the graph.

Mathematics

1 answer:

snow_tiger [21]2 years ago

5 0

Answer:

(1,3)

Step-by-step explanation:

since they are open circles they will not have brackets instead they will have parentheses.

one answer for this number line (graph) is (1,3)

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3 years ago

The length of 2/3 a rope is (4u-5) inches Express the total length of the rope in terms of u

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Answer:

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3 years ago

Mary simplified an expression and got 12.9x10^4 for her answer in scientific notation. Her friend, Angela, is telling her that h

Novay_Z [31]

Answer:

Mary simplified an expression. $1.29 \times 10^{5}$ is correct representation in scientific notation.

Solution:

Given that Mary simplified an expression and got $12.9 \times 10^{4}$ for answer in scientific notation.

According to Angela, answer is incorrect. Need to find reason why Angela consider $12.9 \times 10^{4}$ as incorrect scientific notation and find the correct answer.

Let’s understand what is scientific notation of any number.

Scientific notation is a way of representing number between 1 and 10 including 1 and excluding 10 multiplied by appropriate power of 10.

According to Mary’s simplification the number she is getting is 12.9 but in scientific notation, number must be in between 1 to 10

So $12.9 \times 10^{4}$ is not correct scientific notation.

$\text { Let's rewrite } 12.9 \times 10^{4} \text { as } 1.29 \times 10^{1} \times 10^{4}=1.29 \times 10^{5}$

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4 years ago

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3 years ago