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3 years ago

Write 0.0000004954 in scientific notation.

2 answers:

4 0

By scientific notation I am assuming you mean standard form, as that is used primarily in scientific calculations. The answer in standard form would be
$4.954 \times {10}^{ - 7}$
I hope this helps!

mihalych1998 [28]3 years ago

4 0

Scientific notation is when you move the decimal point to make it a number with decimal places times 10^xth power.

For this problem, the scientific notation would be:

4.954*10^-7.

4.954 is the number when you move the decimal 7 times. The number is "10^-7" because you move the decimal 7 times to the left to make the number smaller, rather than making it bigger.

Hope this helps!

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babunello [35]

To find the slope, you use the slope formula (m):

$m=\frac{y_2-y_1}{x_2-x_1}$ and plug in the two points

(-3, 4) = (x₁, y₁)

(2, -1) = (x₂, y₂)

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

$m=\frac{-1-4}{2-(-3)}$ [two negatives cancel each other out and become positive]

$m=\frac{-1-4}{2+3}$

$m=\frac{-5}{5}$

m = -1 The slope is -1

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3 years ago

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tekilochka [14]

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2 years ago

7,801 + = 4,890 what is the number

zysi [14]

You subtract the numbers 7,801 and 4890

The answer is 2,911

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3 years ago

Describe two methods for converting a mixed number to a decimal

uysha [10]

R example: 6 1/2 = 13/2 = 6.5

For the first example, six and a half is equal to thirteen halves, which is then equal to six point five. To do this, the rule to turn a mix number into a fraction is by multiplying the 2 with the 6 and then add the answer to 1, which gives 13/2 (Remember to always give the same denominator). Finally, thirteenth halves is equal to six point five (because when you divide 13 by 2, you get 6 and one left over. To continue dividing, add a 0 , and so 10 goes into 2 is five. so the decimal is 6.5

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4 years ago

A car is traveling down a highway at a constant speed, described by the equation d=65t, where d represents the distance, in mile

Alexxx [7]

Answer:

Step-by-step explanation:

We are given an equation d = 65 t, where d represents the distance, in miles, that the car travels at this speed in t hours.

We know distance, speed and time relation

d = s * t.

Where d represents the distance, that the car travels at this speed in t at the speed s.

If we compare that relation with the given equation, we can see s = 65.

So,

a) The 65 tell us speed of 65 miles per hour in this situation.

b) Second part seems to be incorrect. Please check it again.

c) We are given distance = 26 miles.

Plugging d= 26 in the given equation.

26 = 65 t

Dividing both sides by 65, we get

26/65 = t

t= 0.4 hours.

So, it takes 0.4 hours or 0.4 * 60 = 24 minutes o travel 26 miles at this speed.

6 0

3 years ago