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daser333 [38]
3 years ago
12

Do one of them guys help get them right guys pls

Mathematics
1 answer:
emmasim [6.3K]3 years ago
6 0

#5.

a. False

1296 does not equal 4096

b. True

5^2 / 5^3 = 1/5^1 = 1/5

c. True

6^12 = 6^12

d. True

3^2 / 3^7 = 3^2 x 1 / 3^7 = 3^2 x 3^-7

e. False

1 / 8^-4 = 8^4

f. False

4^10 / 4^5 = 4^5

#6.

3000 = 3 x 10^3

300 = 3 x 10^2

3 = 3 x 10^0

0.3 = 3 x 10^-1

0.03 = 3 x 10^-2

0.003 = 3 x 10^-3

The exponent is the place value. 3000 is thousands, and has 3 zeroes in the exponent. 300 is hundreds, and has 2 zeroes in the exponent. 0.3 is in the tenths place, and ten has 1 zero. But decimals get smaller, which is why we use the negative exponents.

Hope this helps!

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Answer:

True.

Step-by-step explanation:

If we have for a sample of size n=25 a sample variance of 400, the standard error can be written as:

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This way of calculating the standard error is the same used for estimating the standard deviation of the sample means for samples of size n=25.

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<em>Answer,</em>

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<em>Explanation Down Below,</em>



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