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Anarel [89]
2 years ago
15

Write 5.712 × 10–^8 without exponents

Mathematics
1 answer:
blagie [28]2 years ago
8 0

Answer:

517200000

Step-by-step explanation:

10 to the power of 8 is equal to 100000000

5.712 times 100000000 is equal to 571200000

Could I pls get brainliest I need one more to level up pls help me out

Thank you!

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How many complex roots does the equation below have? X^6+x^3+1=0
gladu [14]
If you find the discriminant it will tell you the number and types of roots. The discriminant is the value b^2 -4ac.
a = 1
b = 1
c = 1
1^2 - 4*1*1
1-4 = -3
Since this is a negative number there will be 2 complex roots.
7 0
3 years ago
Read 2 more answers
Assume the hold time of callers to a cable company is normally distributed with a mean of 5.5 minutes and a standard deviation o
Ierofanga [76]

Answer:

The percent of callers are 37.21 who are on hold.

Step-by-step explanation:

Given:

A normally distributed data.

Mean of the data, \mu = 5.5 mins

Standard deviation, \sigma = 0.4 mins

We have to find the callers percentage who are on hold between 5.4 and 5.8 mins.

Lets find z-score on each raw score.

⇒ z_1=\frac{x_1-\mu}{\sigma}   ...raw score,x_1 = 5.4

⇒ Plugging the values.

⇒ z_1=\frac{5.4-5.5}{0.4}

⇒ z_1=-0.25  

For raw score 5.5 the z score is.

⇒ z_2=\frac{5.8-5.5}{0.4}  

⇒ z_2=0.75

Now we have to look upon the values from Z score table and arrange them in probability terms then convert it into percentages.

We have to work with P(5.4<z<5.8).

⇒ P(5.4

⇒ P(-0.25

⇒ P(z

⇒ z(1.5)=0.7734 and z(-0.25)=0.4013.<em>..from z -score table.</em>

⇒ 0.7734-0.4013

⇒ 0.3721

To find the percentage we have to multiply with 100.

⇒ 0.3721\times 100

⇒ 37.21 %

The percent of callers who are on hold between 5.4 minutes to 5.8 minutes is 37.21

4 0
3 years ago
I know the answer to number 7 but I just want to see if you guys know it
elixir [45]
Plugging 10 for k in the expression gives us
2(10)^2+5(10)+1 We simplify this expression to  200+50+1=251
251 is your answer
4 0
3 years ago
Read 2 more answers
Answer 2. will give brainliest
postnew [5]

Answer:

I think c and d

Step-by-step explanation:

srry if im wrong

3 0
3 years ago
The small rectangle has been dilated to form the large one.
kumpel [21]

Answer:

Step-by-step explanation:

The answer is 10.0

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3 years ago
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