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2 years ago

What are the number of possible digits to round 1_9,644 to the nearest 100,000?

Mathematics

2 answers:

Vlad1618 [11]2 years ago

6 0

2,3,4 all can go because they around it down

damaskus [11]2 years ago

3 0

4 goes in the blank.

In math, if any number like that is 5 or higher, it rounds to the nearest tenth.

so for example, 4 would round down to 0, and 5 would round up to 10.

So with the 4, it Makes 149.6k, which rounds down to 100,000.

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Exhibit B In order to determine whether or not there is a significant difference between the hourly wages of two companies, two

ser-zykov [4K]

Answer: c. 3.01

Step-by-step explanation:

The test statistic for difference between two population mean (when population standard deviation is known) is given by :

$z=\dfrac{\overline{x}_1-\overline{x}_2}{\sqrt{\dfrac{\sigma_1^2}{n_1}+\dfrac{\sigma_2^2}{n_2}}}$

, where $n_1$ = Size of first sample

$n_2$ = Size of second sample

$\overline{x}_1-\overline{x}_2$ = Difference between two sample mean.

$\sigma_1$ = standard deviation for population 1.

$\sigma_2$ = standard deviation for population 2.

As per given , we have

$n_1=80$

$n_2=60$

$\overline{x}_1=\$6.75$

$\overline{x}_2=\$6.25$

$\sigma_1=\$1$

$\sigma_2=\$0.95$

Substitute these values in formula , we get

$z=\dfrac{6.75-6.25}{\sqrt{\dfrac{(1)^2}{80}+\dfrac{(0.95)^2}{60}}}$

$z=\dfrac{0.50}{\sqrt{0.0275416666667}}$

$z=\dfrac{0.50}{0.165956821694}$

$z=3.0128318613\approx3.01$

Hence, the value of the test statistic is <u>3.01</u>.

Hence, the correct option is c. 3.01 .

7 0

2 years ago

The following set of coordinates most specifically represents which figure?

postnew [5]

I drew it roughly

All 4 sides are = sqrt20
Looks like a rhombus

3 0

3 years ago

Read 2 more answers

I need help to solve this problem p/0,05p

AfilCa [17]

p / 0.05p

= 1 / 0.05

= 20 answer

7 0

3 years ago

A quarter is worth of a dollar. Haley needs to exchange dollar bills to get quarters to do her laundry in coin washers and dryer

Ira Lisetskai [31]

Answer:

52 quarters

Step-by-step explanation:

-We know that a quarter dollar is equivalent to $0.25

$\$1=4 \ Quarters$

-Given that Haley has $13, we multiply this amount by 4 since $1 has 4 quarters to obtain the number of quarters:

$Q=13\times 4\\\\=52$

Hence, Hayley will get 52 quarters.

8 0

2 years ago

Please help will give Brain!!

leonid [27]

Answer:

Step-by-step explanation:

You are correct. It's 8/5

7 0

2 years ago

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