How to write 206.047 in expanded form

1 answer:

6 0

You have to think about where the numbers are vs where the decimal point is.
Also, saying the number out loud helps.
Two hundred six and forty seven thousandths
Two hundred (200) plus six (6) and then you need to keep the decimal where it is and put the other two together.
So the answer is 200 +6 +.04 +.007
Did you get it?
Hope this helped!!(:

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A researcher is interested in estimating the average salary of police officers in a large city. She wants to be 95% sure that he

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Answer:

The sample size is 183.

Step-by-step explanation:

Given:

σ = $1050, ppulatin standard deviation

99% confidence interval

Accuracy = +/- $200

The accuracy is given by

z*(σ/√n)

where

z* = 2.576 for 99% confidence level (from tables)

n = sample size

Therefore

2.576(1050/√n) = 200

√n = (2.576*1050)/200 = 13.524

n = 182.9

<em>The sample size is 183</em>

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Maria put trim around a banner that is the shape of a triangle. Each side is 21 inches long. Maria has 3 4 foot of trim left. Wh

Sergio039 [100]

We have been given that Maria put trim around a banner that is the shape of a triangle. Each side is 21 inches long.

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Now we need to convert 63 inches into feet.

12 inches = 1 feet

63 inches = $\frac{63}{12}$ feet = 5.25 feet.

We are also told that Maria has $\frac{3}{4}$ foot of trim left, so total length of trim would be trim used plus trim left that is $5.25+\frac{3}{4}=5.25+0.75=6$ feet.