Geoffrey is evaluating the expression (-3)^6(2^6)/(-3)^5(2^2) as shown below.

Mathematics

1 answer:

Alekssandra [29.7K]2 years ago

3 0

Answer:

48.

Step-by-step explanation:

First you multiply the number by itself as many times as the number of the exponent is. In this case you multiply -3 to itself 6 times which makes -729, 2 to the 6th power is 64, -3 to the 5th power is -243, and 2 to the 2nd power is 4. Then you multiply -729 by 64 which makes -46656 and multiply -243 by 4 which makes -972, and then divide -972 from -46656 which makes 48.

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In a standard normal distribution, what z value corresponds to 17% of the data between the mean and the z value?

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You're looking for a value $z$ such that

$\mathbb P(0$

Because the distribution is symmetric, the value of $z$ in either case will be the same.

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$0.17=\mathbb P(0$

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