1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
djyliett [7]
3 years ago
7

How do you write 4.5 × 102 in standard form?

Mathematics
2 answers:
Gnoma [55]3 years ago
7 0

Step-by-step explanation:

4,5 x 102?

4.5 \times 102 \\  =  \frac{45}{10}  \times 102 \\  =  \frac{4590}{10}  \\  = 459

<h2>The answer is 459 </h2>
Basile [38]3 years ago
3 0

\blue{ \boxed{ \tt{} \bold{ \: answer \: by :  \boxed{ \green \star{  \tt{} \bold{ \red{ \: febryantohutagalung \: }} \green \star}}}}} \\  \\

Answer:

\tt{}459 \\  \\

Step-by-step explanation:

\tt{}4.5 \times 102 \\  \\ \tt{} \frac{45}{10}  \times  \frac{102}{1}  \\  \\ \tt{} \frac{45 \times 102}{10 \times 1}  \\  \\ \tt{} \frac{4590}{10}   \:  \:  \:  \:  \:  \:  \:  \: \\  \\ \tt{}459 \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\  \\

You might be interested in
Pls help look at the picture to answer th questions
bonufazy [111]

Answer:

Step-by-step explanation:

B, y=5x

7 0
3 years ago
Read 2 more answers
4 + 6^2 + 9 ∙ 3 - 10
Korvikt [17]
4+6^2+9•3-10

PEMDAS
P=parentheses
E=exponent
m=multiplication
d=division
a=addition
s=subtraction

*no parentheses in this equation
*exponent = 6^2
6^2=36
4+36+9•3-10
*multiplication = 9•3
9•3=27
4+36+27-10
*addition=4+36+27
4+36+27=67
67-10
*subtraction=67-10
67=10=57

ANSWER=57







please give brainliest itd mean a lot<3
3 0
3 years ago
A Pew Internet poll asked cell phone owners about how they used their cell phones. One question asked whether or not during the
EastWind [94]

Answer:

a) \hat p=\frac{471}{1024}=0.460

The standard error is given by:

SE= \sqrt{\frac{\hat p(1-\hat p)}{n}}=\sqrt{\frac{0.460(1-0.460)}{1024}}=0.0156

And the margin of error is given by:

ME=z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}=1.96\sqrt{\frac{0.460(1-0.460)}{1024}}=0.0305

b) The 99% confidence interval would be given by (0.429;0.491)

Step-by-step explanation:

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The population proportion have the following distribution

p \sim N(p,\sqrt{\frac{p(1-p)}{n}})

Data given and notation  

n=1024 represent the random sample taken    

X=471 represent the people responded that they had used their cell phone while in a store within the last 30 days to call a friend or family member for advice about a purchase they were considering

\hat p=\frac{471}{1024}=0.460 estimated proportion of people responded that they had used their cell phone while in a store within the last 30 days to call a friend or family member for advice about a purchase they were considering    

p= population proportion of people responded that they had used their cell phone while in a store within the last 30 days to call a friend or family member for advice about a purchase they were considering

Part a

The confidence interval would be given by this formula

\hat p \pm z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}

For the 95% confidence interval the value of \alpha=1-0.95=0.05 and \alpha/2=0.025, with that value we can find the quantile required for the interval in the normal standard distribution.

z_{\alpha/2}=1.96

The standard error is given by:

SE= \sqrt{\frac{\hat p(1-\hat p)}{n}}=\sqrt{\frac{0.460(1-0.460)}{1024}}=0.0156

And the margin of error is given by:

ME=z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}=1.96\sqrt{\frac{0.460(1-0.460)}{1024}}=0.0305

Part b

If we replace the values obtained we got:

0.460-1.96\sqrt{\frac{0.460(1-0.460)}{1024}}=0.429

0.460+1.96\sqrt{\frac{0.460(1-0.460)}{1024}}=0.491

The 99% confidence interval would be given by (0.429;0.491)

8 0
3 years ago
BRAINLIEST Create a wrapping paper design that includes at least four of the following constructions:
AleksandrR [38]

Only you can do that yourself, no one online can do that for you.

8 0
3 years ago
Complete the two-column proof.
babymother [125]
<span>The equation you start with is the given equation.
x/6 + 2 = 15 a. Given

The next step in solving this equation is subtracting 2 from both sides.
x/6 = 13 b. Subtraction Property of Equality

Lastly, to cancel out the denominator, multiply both sides of the equation by 6.
x = 78 c. Multiplication Property of Equality

Answer:
</span>a. Given
b. Subtraction Property of Equality
c. Multiplication Property of Equality
3 0
3 years ago
Other questions:
  • Verify the identity (tan x + 1)^2 + (tan x-1)^2= 2 sec^2 x
    12·1 answer
  • 1. A theater group bought supplies to construct the set of a play. Lumber cost $145.86, paint cost $52.91, and hardware cost $17
    12·1 answer
  • PLEASE ANSWER + BRAINLIEST !!!!
    12·2 answers
  • What is the volume of a tank that can hold 18 754 Kg of methanol whose density is 0.788g/cm3
    12·1 answer
  • Determine if the statement is always, sometimes, or never true: A scalene triangle is an acute triangle.
    8·2 answers
  • Solve 7x − 2(x + 1) = 6x + 14.<br> −12<br> 12<br> −16<br> 16
    6·2 answers
  • David, Malachy and Paul share some sweets in the ratio 4:3:4. David gets 44 sweets. How many sweets are there altogether?
    5·1 answer
  • Erika paid a self-employment tax last year. She calculated the self-employment tax for different amounts of net
    11·2 answers
  • Find the range of the function represented by the list of ordered pairs below.
    11·1 answer
  • Find an equation for the line that passes through the points (1. - 4) and (-5.4).
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!