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Aleonysh [2.5K]
3 years ago
10

Write the number below in scientific notation, incorporating what you know about significant digits. 67,890,000

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
7 0
The answer would be: 67.89 x 10^6

The rules of significant numbers used:

- any non-zero digit is significant
- zeroes that are in the right side of the non-zero whole number would not be significant

Thus, only the significant numbers left in the equation:

67.89 x 10^6
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What is the domain of the function f(x)= x + 1 / x^2 - 6x + 8?
VARVARA [1.3K]
Answer:
all real numbers except 4 and 2

Explanation:
The given function is: 
f(x) = \frac{x+1}{x^2-6x+8}

Domain of the function is defined as the values of x that can be used to substitute in the function.

We know that any fraction cannot have a zero in its denominator. Because if this happens, then the fraction would be undefined.

This means that in the given function, we cannot substitute with any value for x that makes the denominator a zero.

Now, we will get the zeroes of the denominator as follows:
x² - 6x + 8 = 0
(x-4)(x-2) = 0
either x-4 = 0 ...........> x = 4
or x-2 = 0 .............> x = 2

Based on the above, we can substitute with any value for x excluding 4 and 2.

This means that the domain of the function is any real real number except 4 and 2

Hope this helps :)
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3 years ago
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7 0
3 years ago
The table below represents a linear function f(x) and the equation represents a function g(x):
Aneli [31]
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Slope of g(x)


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Please help me asap
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Step-by-step explanation:

3 0
2 years ago
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kow [346]

Answer:

2

Step-by-step explanation:

Use order of operations PEMDAS

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7 0
3 years ago
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