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AVprozaik [17]
3 years ago
7

Write 4.257x10^-7 in standard form.

Mathematics
2 answers:
kumpel [21]3 years ago
6 0
The answer would be C.
il63 [147K]3 years ago
6 0

Hello!

As we are multiplying by 10^-7, we will move the decimal to the right 7 times. This means we will have 6 0's before our number after the decimal.

0.0000004257

It appears that you switched around the 4 and the 2, but we know what you were referring too.

Therefore, our answer is D.

I hope this helps!

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3) A data set has 11 numbers in it. Each number is a whole number and there are no repeats. The bottom 2 values of the data set
NNADVOKAT [17]

C) 18 is your answer

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7 0
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Which expression is equivalent to the expression 3^7x3^-4
kykrilka [37]

Answer:

3^7 * 3^(-4) = 3^(7 - 4) = 3^3 = 27

5 0
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According to the Rational Root Theorem, what are all the potential rational roots of f(x) = 15x11 – 6x8 + x3 – 4x + 3?
scoundrel [369]

we have

f(x) = 15x^{11} -6x^{8} + x^{3} - 4x + 3

we know that

<u>The Rational Root Theorem</u> states that when a root 'x' is written as a fraction in lowest terms

x=\frac{p}{q}

p is an integer factor of the constant term, and q is an integer factor of the coefficient of the first monomial.

So

in this problem

the constant term is equal to 3

and the first monomial is equal to 15x^{11} -----> coefficient is 15

So

possible values of p are 1, and\ 3

possible values of q are 1, 3, 5, and\ 15

therefore

<u>the answer is</u>

The all potential rational roots of f(x) are

(+/-)\frac{1}{15},(+/-)\frac{1}{5},(+/-)\frac{1}{3},(+/-)\frac{3}{5},(+/-)1,(+/-)3


3 0
3 years ago
Read 2 more answers
A drawer contains 8 red shirts, 6 blue shirts, and 7 white shirts. If a shirt is drawn at random, what is the probability that t
zzz [600]
7 over 21 . because you add 7 plus 8 plus 6 and get 21 then have 7 white shirts 
8 0
3 years ago
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An airplane pilot over the Pacific sights an atoll at an angle of depression of 10°. At this time, the horizontal distance from
Alex17521 [72]
The question was posted incomplete.

This is the part missing:

<span>What is the height of the plane to the nearest meter?

Answer:  559 m.

Explanation:

1) The horizontal distance between the plane and tha atoll makes a right triangle with the height, with the depression angle between the two legs.

2) Therefore, you can use the tangent trigonometric ratio:

tan(10°) = opposite-leg / adyacent-leg = height / horizontal distance

⇒ height = horizontal distance × tan (10°)

⇒ height = 3,172 m × tan(10°) = 559.31 m, which rounded to the nearest m is 559
</span>
6 0
3 years ago
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