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Maslowich
3 years ago
15

Can you please help me with this

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

log9

Step-by-step explanation:

Using the rules of logarithms

logx + logy = log(xy)

logx - logy = log(\frac{x}{y})

logx^{n} ⇔ nlogx

Given

2(log18- log3) + \frac{1}{2}log\frac{1}{16}

= 2(log(\frac{18}{3} ) ) + log(\frac{1}{16}) ^{\frac{1}{2} }

= 2log6 + log\frac{1}{4}

= log6² + log\frac{1}{4}

= log36 + log\frac{1}{4}

= log( 36 × \frac{1}{4} )

= log9

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What is 400,000 times 200 in scientific notation
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If you move the decimal point left until it is just to the right of the most-significant digit, the number of places you moved it is the power of ten that your new number is multiplied by.

400,000=4\times 10^{5}\\200=2\times 10^{2}

Then multiplication can proceed in the usual way, taking into account the rules of exponents.

4\cdot 10^{5}\times 2\cdot 10^{2}=8\cdot 10^{(5+2)}\\\\=8\cdot 10^{7}

8 0
3 years ago
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Complete the chart to find the mean, variance, and standard deviation. Remember to use commas and round numbers to the nearest t
vitfil [10]

Answer: The mean of the data is 433.75, variance of the data is 99667.19 and the standard deviation of the data is 315.7011.

Explanation:

The given data is 900, 35, 500 and 300.

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Formula of mean is,

\text{Mean}=\frac{\text{Sum of observations}}{\text{Number of observations}}

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The formula of variance is given below,

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The standard deviation of the data is 315.7011.

The other information or values of given chart is shown in the attached table.

8 0
3 years ago
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Please help‼️‼️
love history [14]

Answer:

The answer is 2,300

Step-by-step explanation:

I = 2000 x .05 x 3 = $300

total amount = 2000 + 300 = $2300

7 0
3 years ago
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22 and 27 is the answer. what else do you need??
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4 years ago
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