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3 years ago

Rewrite using a negative exponent. help ?

Mathematics

2 answers:

levacccp [35]3 years ago

6 0

A^-4. 1/ a number with an exponent is almost always the number to the negative exponent.

DaniilM [7]3 years ago

4 0

Answer:

$a^{-4}$

Step-by-step explanation:

Using the rule of exponents

$a^{-m}$ ⇔ $\frac{1}{a^{m} }$

Thus

$\frac{1}{a^{4} }$ = $a^{-4}$

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6 × [11 + 10 ÷ (2 + 3)] + 6 × 3

zhenek [66]

Answer:

96 hope this helped.

Step-by-step explanation:

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3 years ago

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gogolik [260]

Answer:it depends on the girl

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3 years ago

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tankabanditka [31]

Answer:

$x = 10°$

$z = 66°$

Step-by-step explanation:

$(9x - 24)° + (12x - 6)° = 180°\\21x° - 30° = 180° \\ 21 x° = 180° + 30° \\ 21x° = 210° \\ x° = \frac{180°}{30°} \\ x° = 10°$

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z° = 90 - 24

z° = 66°

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3 years ago

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The probabilities that a batch of 4 computers will contain 0, 1, 2, 3, and 4 defective computers are 0.4521, 0.3970, 0.1307, 0.0

kicyunya [14]

Answer:

The standard deviation of given probability distribution is 0.767.

Step-by-step explanation:

We are given the following information in the question:

X: 0 1 2 3 4

P(x): 0.4521 0.3970 0.1307 0.0191 0.0010

Formula:

$\text{Mean} = \sum X.P(x)\\= 0(0.4521) + 1(0.3970) + 2(0.1307) + 3(0.0191) + 4(0.0010)\\= 0.7197$

$\mu = 0.7197$

Formula:

$\text{Variance} = \sum (X-\mu)^2E(x)\\= (0-0.7197)^2(0.4521)+(1-0.7197)^2(0.3970)+(2-0.7197)^2(0.1307)+(3-0.7197)^2(0.0191)+(4-0.7197)^2(0.0010) \\=0.587$