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3 years ago

What is 7 to the 4th power in standard form

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

3 0

Answer:

2401 would be the correct answer since you're asking 7^4 which you multiply the number by 7

Step-by-step explanation:

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Please assist me with the missing answers. Scores on the final exam in Ms. Meyer's statistics class follow a normal distribution

Galina-37 [17]

Answer: Ron's z-score is +1.2.

B. 1.2 standard deviation above the mean .

Step-by-step explanation:

Let X deontes the scores of the final exam

Given : Ms. Meyer's statistics class follow a normal distribution with Mean = 82

standard deviation =5.1

Formula : $z=\dfrac{X-Mean}{Standard \ deviation}$

Ron scored 88 on the final.

So, put x=88

$z=\dfrac{88-82}{5.1}=\dfrac{6}{5.1}\approx1.2$

Ron's z-score is +1.2.

Also, 88= 86+(1.2 x 5.1) = Mean +1.2 x (standard deviation)

i.e. This means that Ron's final score is 1.2 standard deviation above the mean .

6 0

3 years ago

Two smoothies and an ice cream cone cost $7.50. Three smoothies and two ice cream cones cost $12. Calculate the cost of a smooth

anygoal [31]

Answer:

Smoothie = 3

Ice cream = 1.5

Step-by-step explanation:

2s + i = 7.5

3s + 2i = 12

subtract the equations

(3s + 2i) - (2s + i) = s + i

s + i = 4.5

2s + i = 7.5, so s must equal 3 (7.5 - 4.5)

If s = 3, then i is 1.5 (4.5 - 3.5)

To check, plug 3 and 1.5 into s and i.

2(3) + 1.5 = 7.5

6 + 1.5 = 7.5

7.5 = 7.5

3(3) + 2(1.5) = 12

9 + 3 = 12

12 = 12

5 0

3 years ago

Marcus is 5 19/24 feet tall. Ben is 5 9/16 feet tall. Which of the two boys is taller?

Ksju [112]

well, Marcus and Ben are both 5 feet tall and a little bit more, Marcus is 19/24 more and Ben is 9/16 more, so the 5's in the fraction are the same, so which one is larger, 19/24 or 9/16?

we can simply put both fractions with the same denominator, by multiplying one by the other's denominator, so let's proceed,

$\bf \stackrel{\textit{\large Marcus is taller}}{5~feet + \left( \cfrac{19}{24}\cdot \cfrac{16}{16}\implies \boxed{\cfrac{304}{384}} \right)}\qquad \qquad \qquad \stackrel{\textit{\large Ben}}{5~feet + \left( \cfrac{9}{16}\cdot \cfrac{24}{24}\implies \boxed{\cfrac{216}{384}} \right)}$

4 0

3 years ago

How many houses were those in the month of bebuary year 1800

Maru [420]

they werent the many houses

8 0

3 years ago

How many times greater is the value of a 8 in the hundred millions place than in the ten millions place?

USPshnik [31]

Step-by-step explanation:

<h2> 80000000</h2><h2> -8000000</h2><h2>=72000000</h2><h2> The value of a 8 in the hundred millions place than in the ten millions place is 72000000</h2>

6 0

3 years ago