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Marina CMI [18]
2 years ago
12

Raquel estimated 304,900,000,000 as 3 × 10^8. What error did she make?

Mathematics
1 answer:
kolbaska11 [484]2 years ago
5 0

The error that was made by Raquel when expressing 304,900,000,000

is that she didn't count the digit correctly, The correct digit is 3 *10^{11}

  • Raquel was trying to express the figure in standard form but she doesn't count the number of digit very well and that was her mistake

  • Standard form helps to represent digits that are very long or short in simple form and fir conveniency sake

Therefore, the correct expression in standard form is 3 * 10^{11}

Learn more at: brainly.com/question/9761475?referrer=searchResults

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How do I find the y intercept in a fraction
Furkat [3]

ANSWER:

Both functions have the same slope

The linear equation does not have a y-intercept

The table and the grahp express an equivalent function

STEP-BY-STEP EXPLANATION:

In order to compare, we must calculate the slope of the table, knowing that the equation in its slope and intercept form is the following:

\begin{gathered} y=mx+b \\ \text{where m is the slope and b is y-intercept} \end{gathered}

The formula to calculate the slope is the following:

m=\frac{y_2-y_1}{x_2-x_1}

The points are (-6, -9/2) and (4,3), replacing:

m=\frac{3-(-\frac{9}{2})}{4-(-6)}=\frac{3+\frac{9}{2}}{4+6}=\frac{\frac{15}{2}}{10}=\frac{15}{20}=\frac{3}{4}

The slope is 3/4

Now, for b

x = 4

y = 3

m = 3/4

replacing:

\begin{gathered} 3=\frac{3}{4}\cdot4+b \\ b=3-3 \\ b=0 \end{gathered}

The equation is:

y=\frac{3}{4}x

Therefore, the true statements are:

• Both functions have the same slope

,

• The linear equation does not have a y-intercept

,

• The table and the grahp express an equivalent function

8 0
9 months ago
Look at the example problem. Suppose Alana walks 6.6 miles the next day. Complete the steps below to find the number of miles sh
alexandr402 [8]

Answer:

Looking at the example Alana will walk. 15.23 miles in two days

step-by-step explanation:

Looking at the example and using place value system

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Answer:

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Step-by-step explanation:

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Which rounds to 6.7

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Answer:

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they are congruent so they are equal to eachotjer

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