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Korvikt [17]
3 years ago
6

A space ship travels at 5^3 miles per hour and traveled for 5^18 hours. Select the answer that represents how many miles the spa

ce ship traveled.

Mathematics
1 answer:
MArishka [77]3 years ago
8 0

Answer:

I believe the answers is C

Step-by-step explanation:

When you multiply numbers with powers that have the same base (in this case 5), it is like you are adding the powers together. So, 18+3= 21 so the answer is 5^21

If this was helpful, please let me know ;)

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Rainbow [258]

Answer:

we would need to know what the experiment was or we can't awnser

8 0
3 years ago
Two competing headache remedies claim to give fast-acting relief. An experiment was performed to compare the mean lengths of tim
DaniilM [7]

Answer:

t = 0.875

Step-by-step explanation:

Given

<u>Brand A</u>            <u>Brand B</u>

n_ 1= 12               n_2 = 12

\bar x_1 = 21.8            \bar x_2 = 18.9

\sigma_1 = 8.7              \sigma_2 = 7.5

Required

Determine the test statistic (t)

This is calculated as:

t = \frac{\bar x_1 - \bar x_2}{s\sqrt{\frac{1}{n_1} +  \frac{1}{n_2}}}

Calculate s using:

s = \sqrt{\frac{(n_1-1)*\sigma_1^2+(n_2-1)*\sigma_2^2}{n_1+n_2-2}}

The equation becomes:

s = \sqrt{\frac{(12-1)*8.7^2+(12-1)*7.5^2}{12+12-2}}

s = \sqrt{\frac{1451.34}{22}}

s = \sqrt{65.97}

s = 8.12

So:

t = \frac{\bar x_1 - \bar x_2}{s\sqrt{\frac{1}{n_1} +  \frac{1}{n_2}}}

t = \frac{21.8 - 18.9}{8.12 * \sqrt{\frac{1}{12} + \frac{1}{12}}}

t = \frac{21.8 - 18.9}{8.12 * \sqrt{\frac{1}{6}}}

t = \frac{21.8 - 18.9}{8.12 * 0.408}}

t = \frac{2.9}{3.31296}}

t = 0.875

3 0
3 years ago
How can you put 32.3 as a mixed number in the simplest form
ludmilkaskok [199]

32.3 is a decimal number in which 3 is the digit at the tenth place.

Mixed number contains a whole number and a fraction part.

32.3 expressed as mixed fraction is 32\frac{3}{10} , here 32 is the whole number  and \frac{3}{10} is the fraction part.

\frac{3}{10} is the fraction in the simplest form.

For this reason, 32.3 expressed as a mixed number in the simplest form is 32\frac{3}{10}.

7 0
3 years ago
Fill in the missing part of the analogy
steposvetlana [31]

Answer:

she/se jajdjgdgmggdukhmijauuuu

Step-by-step explanation:

jkiek3ke

7 0
2 years ago
Answer the questions from the picture <br> Step by step
andre [41]

Answer:

6 = 4 mins

Step-by-step explanation:

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