3 years ago

What is 230000 in standard form

2 answers:

7 0

Hello There!

It would be 2.3 x $10^{5}$
Standard form is a number between 1 and 10 times 10 to the nth power.

Hope This Helps You!
Good Luck :)

Savatey [412]3 years ago

3 0

2.3*10^5 is the answer.

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The table displays the frequency of scores for a calculus class on an exam. The mean of the exam scores is 3.5. Score 1 2 3 4 5

vladimir1956 [14]

Answer:

f=11

Mode=4

Median=4

Explanation:

We are given that

a.Mean of the exam score, $\bar x$ =3.5

Score(x) frequency C.F

1 1 1

2 3 4

3 f 15(4+f=4+11)

4 13 28

5 4 32

$\sum f_i=1+3+f+13+4=21+f$

$\sum f_ix_i=1(1)+2(3)+3(f)+4(13)+5(4)=1+6+3f+52+20=79+3f$

$(\bar x)=\frac{\sum f_ix_i}{\sum f_i}$

Using the formula

$3.5=\frac{79+3f}{21+f}$

$73.5+3.5f=79+3f$

$3.5f-3f=79-73.5$

$0.5f=5.5$

$f=\frac{5.5}{0.5}=11$

b.Mode:The number which is repeat most times .

4 repeat most times

Hence, mode of all exam scores=4

N=32

N is even

$Median=\frac{(\frac{n}{2})^{th}+(\frac{n}{2}+1)^{th}}{2}$

Median= $\frac{16th+17th}{2}=\frac{4+4}{2}=\frac{8}{2}=4$

7 0

3 years ago

Anyone understand this??Help please

Anna [14]

I think you have to choose any numbers in the graph to solve for Rafael and Ava

3 0

3 years ago

I think I got this wrong I need help

JulijaS [17]

Answer:

I think 3/4 will be the answer if you let

(-5 2) =(x1 y1)

(3 8) =( x2 y2)

y1-y2/x2-x2

8-2/3+5

6/8

3/4

8 0

3 years ago

How many 2s are 120

sammy [17]

Answer: 2 can go into 120 60 times.

Step-by-step explanation:

120/2 = 60

6 0

3 years ago

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Evaluate the expression when x=3 and y=5 4 y - x

denis23 [38]

1) Plug the numbers in : (5) - (3)
2) Subtract 5 - 3 = 2

Therefore, the answer is 2

4 0

3 years ago

Read 2 more answers