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Cerrena [4.2K]
3 years ago
11

What is 0.0578 in scientific notation?

Mathematics
1 answer:
Andre45 [30]3 years ago
3 0

Answer:

5.78 x 10^-2

Step-by-step explanation:

move the desimal over till it looks like 1.00 count places moved left=negitive, right=positive

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The wall street journal corporate perceptions study 2011 surveyed readers and asked how each rated the quality of management and
malfutka [58]

Answer:

Hello some parts of your question is missing below is the missing part

answer : A) p-value =  0.0019 ,

The level of significance ( 0.05 ) > p-value ( 0.0019 )

B) There is no dependence between the two ratings

Step-by-step explanation:

A) using a 0.05 level of significance and test for independence of the quality of management

Test statistic : X^{2}  ∑ ( Oi - Ei )^2 / Ei

= [(40-35)^2 / 35 ] +  [(25-24.5)^2 / 24.5 ] +  [(5-10.5)^2 / 10.5]  +  [(35-40)^2 / 40]  +  [(35-28)^2 / 28]  +  [(10-12)^2 / 12]  +   [ (25-25)^2 / 25 ]  +  [(10-17.5)^2 / 17.5 ]  + [(15-7.5)^2 / 7.5]  =  17.03  

p-value = 0.0019

Df = 4  ,

The level of significance ( 0.05 ) > p-value ( 0.0019 )

B) There is no dependence between the two ratings

4 0
3 years ago
Two angles are complementary. The first angle is 2x degrees. The second angle is (3x +5) degrees. Determine the measure of each
bixtya [17]

Answer:

70 and 110

Step-by-step explanation:

First angle -- 2x

Second angle -- 3x + 5

Therefore,

2x + 3x + 5 = 180

5x = 175

x = 35

Therefore, 2x -- 70

3x + 5 -------------110

Thenks and mark me brainliest :)

8 0
3 years ago
Job a pays $9.95 per hour, 40 hours per week.
OLEGan [10]
Job A pays better


there are roughly 52 weeks in a year so multiply that by 40 to get the total hours worked in a year. = 2,080

2,080 hours worked per year multiplied by the hourly pay 9.95 = 20,696

Job A pays $20,696 per year

Job B only pays $17,500
4 0
3 years ago
Read 2 more answers
1f 2 sweaters cost $27.34, how much would 7 sweaters cost? The cost for 7 sweaters is s .
Mademuasel [1]

Answer:

95.69

Step-by-step explanation:

two sweaters costs 27.34 then one would cost 13.67

7×13.67 = 95.67

3 0
3 years ago
Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 s?
QveST [7]
A. 100/20

The distance in meters should be divided by the time in seconds to get the value of the distance in meters travelled in one second.
8 0
3 years ago
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