3 years ago

Which expression is equivale To (2^3) ^-5

Mathematics

1 answer:

Ymorist [56]3 years ago

3 0

Answer:

2^-15 or 1/(2^15) or 1/32768 or 0.000030517578125

Step-by-step explanation:

you can multiply exponents like 2^(3*-5) so you get 2^(-15)

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Dr. smith determined that that the average human pregnancy is 266 days from conception to birth. Assume the length of human preg

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$P(x< 240) = 0.0521$

Step-by-step explanation:

Given

$\bar x = 266$

$\sigma = 16$

Required

$P(x < 240)$ --- pregnancy will last less than 240 days

First, calculate the z score

$z = \frac{x - \bar x}{\sigma}$

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So, we have:

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$P(x< 240) = 0.0521$

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