3 years ago

Solve log x = 4. a. x = 4 b. x = 40 c. x = 1,000 d. x = 10,000

Mathematics

1 answer:

garik1379 [7]3 years ago

6 0

Answer:

d. x =10,000

Step-by-step explanation:

log x = 4.

log₁₀ x = 4

x = 10⁴ = 10 x 10 x 10 x 10 = 10,000

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A bag had 7 orange rocks , 6 green rock , 1 white rock ,7 black rocks , and 2 yellow you randomly pull a rock from the bag ,keep

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Answer:

$Probability = \frac{7}{253}$

Step-by-step explanation:

Given

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$Green = 6$

$White = 1$

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Required

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From the question, we understand that the probability is that of without replacement.

Since the yellow, is first picked.

We need to determine the probability of picking a yellow rock, first.

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$P(Orange) = \frac{n(Orange)}{Total - 1}$

$P(Orange) = \frac{7}{7 + 6 + 1 + 7 + 2- 1}$

$P(Orange) = \frac{7}{22}$

The required probability is calculated as thus:

$Probability = P(Yellow) * P(Orange)$

$Probability = \frac{2}{23} * \frac{7}{22}$

$Probability = \frac{14}{506}$

$Probability = \frac{7}{253}$

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