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3 years ago

Convert 0.0000001 to a power of 10. 107 10−7 106 10−6

Mathematics

2 answers:

Westkost [7]3 years ago

7 0

I think it's 10^-7 hope that helps

Alex787 [66]3 years ago

5 0

Answer:

$10^{-7}$

Step-by-step explanation:

Convert 0.0000001 to a power of 10.

When we convert a decimal number to a power of 10, we put negative power over 10 that is equal to the number of places we have shifted to right.

Now, in 0.0000001, we have 6 zeroes after decimal. And if we are writing it as 10, we need to shift 7 places to right.

The answer will be $10^{-7}$

We can also simplify like = $\frac{1}{10000000}$ that becomes $10^{-7}$

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Write an equation of the line, in point-slope form, that passes through the following points: (–2, 8), (3, –2).

Alexxx [7]

Answer:

The equation of the line would be A) y - 8 = -2(x + 2)

Step-by-step explanation:

In order to find the equation of the line, we need to start by finding the slope. We can do that with the slope equation.

m(slope) = (y2 - y1)/(x2 - x1)

m = (-2 - 8)/(3 - -2)

m = -10/5

m = -2

Now that we have the slope at -2, we can plus in the first point into point-slope form and find the equation.

y - y1 = m(x - x1)

y - 8 = -2(x + 2)

QUESTION 2

Answer:

The correct answer is B) x-intercept = -4 and y-intercept = -3

Step-by-step explanation:

We can tell this because the y-intercept is the value of y when x = 0. So we put 0 into x for the equation.

3x + 4y = -12

3(0) + 4y = -14

4y = -12

y = -3

Since B is the only answer with an y-intercept at -3, we know it to be the correct answer.

3 0

3 years ago

PLEASE HELP ASAP! BRAINLIEST TO BEST/RIGHT ANSWER

Semenov [28]

= 9 * 10^5 * 3 * 10^10

= 27 * 10^5 * 10^10

= 27 * 10^15

= 2.7 * 10^16 - The best selection appears to be the first option.

Good luck :)

4 0

4 years ago

Evaluate 3 - (-1) + (-1) - 3.

lara [203]

Answer:

Step-by-step explanation:

3 - (-1) + (-1) -3 =

Minus and a negative makes it positive. In other words it would be written like this: 3 + 1 + (-1) - 3 =

Next step would be making it minus 1, because plus sign and negative makes the number to be subtracted. It would be rewritten like this: 3 + 1 - 1 - 3 =

Then you will simply add 3 and 1, which makes it 4. So it would be rewritten likes this: 4 - 1 - 3 =

Then you will simply subtract 1 from 4, which would equal to 3. So it would be rewritten like this: 3 - 3 =

Last step, would be subtracting 3 from 3. Whatever is subtracted from itself would always be 0.

So the answer would be 0!

8 0

3 years ago

Read 2 more answers

4. Solve the following system of equations for x.

Ber [7]

We are given the system of equations -:

$\large{ \begin{cases} 2x + 3y = - 14 \\ y = 6x + 22 \end{cases}}$

Since the second equation is y-isolated equation. It can be substituted as y = 6x+22 in the first equation.

$\large{2x + 3(6x + 22) = - 14}$

Expand 3 in the expression so we can combine like terms and isolate x-variable.

$\large{2x + 18x + 66 = - 14}$

Then combine like terms.

$\large{20x + 66 = - 14}$

Get rid of 66 from the left side by subtracting both sides by itself.

$\large{20x + 66 - 66 = - 14 - 66} \\ \large{20x = - 80}$

To finally isolate the variable, divide both sides by 20 so we can leave x only on the left side.

$\large{ \frac{20x}{20} = \frac{ - 80}{20} }$

Simplify to the simplest form.

$\large{x = - 4}$

Normally, we have to find the y-value too but since we only find x-value. The answer is x = -4.

Answer

x = -4

I hope this helps! If you have any questions or doubts regarding my answer, explanation or system of equations, feel free to ask!

5 0

3 years ago

For Halloween, you go trick - or - treating in your neighborhood. You notice that a lot of people are giving out starbursts this

gavmur [86]

Answer13/20

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers